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Finding the Fourth Proportional to 442,862.32, 664,819.56 and 349,435.12

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Solution

The fourth proportional to 442,862.32, 664,819.56 and 349,435.12 is: 524,567.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,862.32 : 664,819.56 = 349,435.12 : x
  2. Step 2: Convert to fraction form
    442,862.32/664,819.56 = 349,435.12/x
  3. Step 3: Cross multiply
    442,862.32x = 664,819.56 × 349,435.12
  4. Step 4: Simplify right side
    442,862.32x = 232,311,302,726.95
  5. Step 5: Solve for x
    x = 232,311,302,726.95/442,862.32
  6. Step 6: Final answer
    x = 524,567.78

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1.5x scale

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.