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Finding the Fourth Proportional to 657,937.44, 907,484.16 and 454,065.60

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Solution

The fourth proportional to 657,937.44, 907,484.16 and 454,065.60 is: 626,286.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,937.44 : 907,484.16 = 454,065.60 : x
  2. Step 2: Convert to fraction form
    657,937.44/907,484.16 = 454,065.60/x
  3. Step 3: Cross multiply
    657,937.44x = 907,484.16 × 454,065.60
  4. Step 4: Simplify right side
    657,937.44x = 412,057,339,600.90
  5. Step 5: Solve for x
    x = 412,057,339,600.90/657,937.44
  6. Step 6: Final answer
    x = 626,286.50

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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.