Home / 987,930.07-1,363,344.88-535,221.07

Finding the Fourth Proportional to 987,930.07, 1,363,344.88 and 535,221.07

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Solution

The fourth proportional to 987,930.07, 1,363,344.88 and 535,221.07 is: 738,605.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,930.07 : 1,363,344.88 = 535,221.07 : x
  2. Step 2: Convert to fraction form
    987,930.07/1,363,344.88 = 535,221.07/x
  3. Step 3: Cross multiply
    987,930.07x = 1,363,344.88 × 535,221.07
  4. Step 4: Simplify right side
    987,930.07x = 729,690,905,452.62
  5. Step 5: Solve for x
    x = 729,690,905,452.62/987,930.07
  6. Step 6: Final answer
    x = 738,605.83

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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.