Home / 727,306.17-1,090,593.95-423,798.36

Finding the Fourth Proportional to 727,306.17, 1,090,593.95 and 423,798.36

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Solution

The fourth proportional to 727,306.17, 1,090,593.95 and 423,798.36 is: 635,484.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,306.17 : 1,090,593.95 = 423,798.36 : x
  2. Step 2: Convert to fraction form
    727,306.17/1,090,593.95 = 423,798.36/x
  3. Step 3: Cross multiply
    727,306.17x = 1,090,593.95 × 423,798.36
  4. Step 4: Simplify right side
    727,306.17x = 462,191,925,316.93
  5. Step 5: Solve for x
    x = 462,191,925,316.93/727,306.17
  6. Step 6: Final answer
    x = 635,484.68

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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.