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Finding the Fourth Proportional to 887,685, 1,332,475.20 and 382,495.29

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Solution

The fourth proportional to 887,685, 1,332,475.20 and 382,495.29 is: 574,151.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,685 : 1,332,475.20 = 382,495.29 : x
  2. Step 2: Convert to fraction form
    887,685/1,332,475.20 = 382,495.29/x
  3. Step 3: Cross multiply
    887,685x = 1,332,475.20 × 382,495.29
  4. Step 4: Simplify right side
    887,685x = 509,665,488,041.81
  5. Step 5: Solve for x
    x = 509,665,488,041.81/887,685
  6. Step 6: Final answer
    x = 574,151.29

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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.