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Finding the Fourth Proportional to 488,140.41, 732,728.22 and 432,342.75

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Solution

The fourth proportional to 488,140.41, 732,728.22 and 432,342.75 is: 648,972.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,140.41 : 732,728.22 = 432,342.75 : x
  2. Step 2: Convert to fraction form
    488,140.41/732,728.22 = 432,342.75/x
  3. Step 3: Cross multiply
    488,140.41x = 732,728.22 × 432,342.75
  4. Step 4: Simplify right side
    488,140.41x = 316,789,733,637.41
  5. Step 5: Solve for x
    x = 316,789,733,637.41/488,140.41
  6. Step 6: Final answer
    x = 648,972.56

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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.