Home / 743,050.36-1,025,398.74-403,517.80

Finding the Fourth Proportional to 743,050.36, 1,025,398.74 and 403,517.80

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Solution

The fourth proportional to 743,050.36, 1,025,398.74 and 403,517.80 is: 556,848.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,050.36 : 1,025,398.74 = 403,517.80 : x
  2. Step 2: Convert to fraction form
    743,050.36/1,025,398.74 = 403,517.80/x
  3. Step 3: Cross multiply
    743,050.36x = 1,025,398.74 × 403,517.80
  4. Step 4: Simplify right side
    743,050.36x = 413,766,643,687.57
  5. Step 5: Solve for x
    x = 413,766,643,687.57/743,050.36
  6. Step 6: Final answer
    x = 556,848.72

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.