Home / 910,691.56-1,256,721.76-502,785.08

Finding the Fourth Proportional to 910,691.56, 1,256,721.76 and 502,785.08

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Solution

The fourth proportional to 910,691.56, 1,256,721.76 and 502,785.08 is: 693,825.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,691.56 : 1,256,721.76 = 502,785.08 : x
  2. Step 2: Convert to fraction form
    910,691.56/1,256,721.76 = 502,785.08/x
  3. Step 3: Cross multiply
    910,691.56x = 1,256,721.76 × 502,785.08
  4. Step 4: Simplify right side
    910,691.56x = 631,860,950,639.34
  5. Step 5: Solve for x
    x = 631,860,950,639.34/910,691.56
  6. Step 6: Final answer
    x = 693,825.42

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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.