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Finding the Fourth Proportional to 659,618.71, 910,274.12 and 373,132.69

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Solution

The fourth proportional to 659,618.71, 910,274.12 and 373,132.69 is: 514,923.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,618.71 : 910,274.12 = 373,132.69 : x
  2. Step 2: Convert to fraction form
    659,618.71/910,274.12 = 373,132.69/x
  3. Step 3: Cross multiply
    659,618.71x = 910,274.12 × 373,132.69
  4. Step 4: Simplify right side
    659,618.71x = 339,653,029,167.32
  5. Step 5: Solve for x
    x = 339,653,029,167.32/659,618.71
  6. Step 6: Final answer
    x = 514,923.28

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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.