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Finding the Fourth Proportional to 458,416.68, 688,077.56 and 344,167.12

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Solution

The fourth proportional to 458,416.68, 688,077.56 and 344,167.12 is: 516,590.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,416.68 : 688,077.56 = 344,167.12 : x
  2. Step 2: Convert to fraction form
    458,416.68/688,077.56 = 344,167.12/x
  3. Step 3: Cross multiply
    458,416.68x = 688,077.56 × 344,167.12
  4. Step 4: Simplify right side
    458,416.68x = 236,813,672,161.83
  5. Step 5: Solve for x
    x = 236,813,672,161.83/458,416.68
  6. Step 6: Final answer
    x = 516,590.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.