Home / 1,038,433.50-1,557,650.25-290,479.50

Finding the Fourth Proportional to 1,038,433.50, 1,557,650.25 and 290,479.50

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Solution

The fourth proportional to 1,038,433.50, 1,557,650.25 and 290,479.50 is: 435,719.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,433.50 : 1,557,650.25 = 290,479.50 : x
  2. Step 2: Convert to fraction form
    1,038,433.50/1,557,650.25 = 290,479.50/x
  3. Step 3: Cross multiply
    1,038,433.50x = 1,557,650.25 × 290,479.50
  4. Step 4: Simplify right side
    1,038,433.50x = 452,465,465,794.88
  5. Step 5: Solve for x
    x = 452,465,465,794.88/1,038,433.50
  6. Step 6: Final answer
    x = 435,719.25

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.