Home / 875,397.89-1,208,049.08-472,989.89

Finding the Fourth Proportional to 875,397.89, 1,208,049.08 and 472,989.89

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Solution

The fourth proportional to 875,397.89, 1,208,049.08 and 472,989.89 is: 652,726.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,397.89 : 1,208,049.08 = 472,989.89 : x
  2. Step 2: Convert to fraction form
    875,397.89/1,208,049.08 = 472,989.89/x
  3. Step 3: Cross multiply
    875,397.89x = 1,208,049.08 × 472,989.89
  4. Step 4: Simplify right side
    875,397.89x = 571,394,999,098.85
  5. Step 5: Solve for x
    x = 571,394,999,098.85/875,397.89
  6. Step 6: Final answer
    x = 652,726.04

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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.