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Finding the Fourth Proportional to 659,620.71, 910,276.88 and 373,134.69

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Solution

The fourth proportional to 659,620.71, 910,276.88 and 373,134.69 is: 514,926.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,620.71 : 910,276.88 = 373,134.69 : x
  2. Step 2: Convert to fraction form
    659,620.71/910,276.88 = 373,134.69/x
  3. Step 3: Cross multiply
    659,620.71x = 910,276.88 × 373,134.69
  4. Step 4: Simplify right side
    659,620.71x = 339,655,881,432.97
  5. Step 5: Solve for x
    x = 339,655,881,432.97/659,620.71
  6. Step 6: Final answer
    x = 514,926.04

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1.5x scale

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.