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Finding the Fourth Proportional to 653,670.90, 980,854.65 and 254,324.70

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Solution

The fourth proportional to 653,670.90, 980,854.65 and 254,324.70 is: 381,622.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,670.90 : 980,854.65 = 254,324.70 : x
  2. Step 2: Convert to fraction form
    653,670.90/980,854.65 = 254,324.70/x
  3. Step 3: Cross multiply
    653,670.90x = 980,854.65 × 254,324.70
  4. Step 4: Simplify right side
    653,670.90x = 249,455,564,604.86
  5. Step 5: Solve for x
    x = 249,455,564,604.86/653,670.90
  6. Step 6: Final answer
    x = 381,622.56

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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.