Home / 910,562.20-1,256,542.90-502,655.28

Finding the Fourth Proportional to 910,562.20, 1,256,542.90 and 502,655.28

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Solution

The fourth proportional to 910,562.20, 1,256,542.90 and 502,655.28 is: 693,646.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,562.20 : 1,256,542.90 = 502,655.28 : x
  2. Step 2: Convert to fraction form
    910,562.20/1,256,542.90 = 502,655.28/x
  3. Step 3: Cross multiply
    910,562.20x = 1,256,542.90 × 502,655.28
  4. Step 4: Simplify right side
    910,562.20x = 631,607,925,116.23
  5. Step 5: Solve for x
    x = 631,607,925,116.23/910,562.20
  6. Step 6: Final answer
    x = 693,646.11

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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.