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Finding the Fourth Proportional to 657,735.52, 907,675.82 and 355,929.52

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Solution

The fourth proportional to 657,735.52, 907,675.82 and 355,929.52 is: 491,183.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,735.52 : 907,675.82 = 355,929.52 : x
  2. Step 2: Convert to fraction form
    657,735.52/907,675.82 = 355,929.52/x
  3. Step 3: Cross multiply
    657,735.52x = 907,675.82 × 355,929.52
  4. Step 4: Simplify right side
    657,735.52x = 323,068,618,928.21
  5. Step 5: Solve for x
    x = 323,068,618,928.21/657,735.52
  6. Step 6: Final answer
    x = 491,183.17

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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.