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Finding the Fourth Proportional to 971,335.92, 1,341,289.52 and 609,382

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Solution

The fourth proportional to 971,335.92, 1,341,289.52 and 609,382 is: 841,477.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,335.92 : 1,341,289.52 = 609,382 : x
  2. Step 2: Convert to fraction form
    971,335.92/1,341,289.52 = 609,382/x
  3. Step 3: Cross multiply
    971,335.92x = 1,341,289.52 × 609,382
  4. Step 4: Simplify right side
    971,335.92x = 817,357,690,276.64
  5. Step 5: Solve for x
    x = 817,357,690,276.64/971,335.92
  6. Step 6: Final answer
    x = 841,477.88

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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.