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Finding the Fourth Proportional to 657,129.52, 906,762.60 and 370,654.44

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Solution

The fourth proportional to 657,129.52, 906,762.60 and 370,654.44 is: 511,460.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,129.52 : 906,762.60 = 370,654.44 : x
  2. Step 2: Convert to fraction form
    657,129.52/906,762.60 = 370,654.44/x
  3. Step 3: Cross multiply
    657,129.52x = 906,762.60 × 370,654.44
  4. Step 4: Simplify right side
    657,129.52x = 336,095,583,715.94
  5. Step 5: Solve for x
    x = 336,095,583,715.94/657,129.52
  6. Step 6: Final answer
    x = 511,460.18

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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.