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Finding the Fourth Proportional to 650,267.52, 897,354.87 and 355,915.77

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Solution

The fourth proportional to 650,267.52, 897,354.87 and 355,915.77 is: 491,155.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,267.52 : 897,354.87 = 355,915.77 : x
  2. Step 2: Convert to fraction form
    650,267.52/897,354.87 = 355,915.77/x
  3. Step 3: Cross multiply
    650,267.52x = 897,354.87 × 355,915.77
  4. Step 4: Simplify right side
    650,267.52x = 319,382,749,519.30
  5. Step 5: Solve for x
    x = 319,382,749,519.30/650,267.52
  6. Step 6: Final answer
    x = 491,155.93

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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.