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Finding the Fourth Proportional to 650,081.26, 897,138.58 and 359,688.10

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Solution

The fourth proportional to 650,081.26, 897,138.58 and 359,688.10 is: 496,384.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,081.26 : 897,138.58 = 359,688.10 : x
  2. Step 2: Convert to fraction form
    650,081.26/897,138.58 = 359,688.10/x
  3. Step 3: Cross multiply
    650,081.26x = 897,138.58 × 359,688.10
  4. Step 4: Simplify right side
    650,081.26x = 322,690,070,869.70
  5. Step 5: Solve for x
    x = 322,690,070,869.70/650,081.26
  6. Step 6: Final answer
    x = 496,384.21

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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.