Home / 927,125.22-1,391,272.86-394,645.38

Finding the Fourth Proportional to 927,125.22, 1,391,272.86 and 394,645.38

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Solution

The fourth proportional to 927,125.22, 1,391,272.86 and 394,645.38 is: 592,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,125.22 : 1,391,272.86 = 394,645.38 : x
  2. Step 2: Convert to fraction form
    927,125.22/1,391,272.86 = 394,645.38/x
  3. Step 3: Cross multiply
    927,125.22x = 1,391,272.86 × 394,645.38
  4. Step 4: Simplify right side
    927,125.22x = 549,059,406,518.39
  5. Step 5: Solve for x
    x = 549,059,406,518.39/927,125.22
  6. Step 6: Final answer
    x = 592,217.10

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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.