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Finding the Fourth Proportional to 558,767.80, 838,151.70 and 508,904.20

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Solution

The fourth proportional to 558,767.80, 838,151.70 and 508,904.20 is: 763,356.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,767.80 : 838,151.70 = 508,904.20 : x
  2. Step 2: Convert to fraction form
    558,767.80/838,151.70 = 508,904.20/x
  3. Step 3: Cross multiply
    558,767.80x = 838,151.70 × 508,904.20
  4. Step 4: Simplify right side
    558,767.80x = 426,538,920,367.14
  5. Step 5: Solve for x
    x = 426,538,920,367.14/558,767.80
  6. Step 6: Final answer
    x = 763,356.30

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Double scale
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Similar ratio
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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.