Home / 828,566.86-1,143,250.82-484,336.25

Finding the Fourth Proportional to 828,566.86, 1,143,250.82 and 484,336.25

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Solution

The fourth proportional to 828,566.86, 1,143,250.82 and 484,336.25 is: 668,283.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,566.86 : 1,143,250.82 = 484,336.25 : x
  2. Step 2: Convert to fraction form
    828,566.86/1,143,250.82 = 484,336.25/x
  3. Step 3: Cross multiply
    828,566.86x = 1,143,250.82 × 484,336.25
  4. Step 4: Simplify right side
    828,566.86x = 553,717,812,546.54
  5. Step 5: Solve for x
    x = 553,717,812,546.54/828,566.86
  6. Step 6: Final answer
    x = 668,283.80

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.