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Finding the Fourth Proportional to 647,556.48, 970,738.56 and 437,267.52

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Solution

The fourth proportional to 647,556.48, 970,738.56 and 437,267.52 is: 655,498.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,556.48 : 970,738.56 = 437,267.52 : x
  2. Step 2: Convert to fraction form
    647,556.48/970,738.56 = 437,267.52/x
  3. Step 3: Cross multiply
    647,556.48x = 970,738.56 × 437,267.52
  4. Step 4: Simplify right side
    647,556.48x = 424,472,442,699.57
  5. Step 5: Solve for x
    x = 424,472,442,699.57/647,556.48
  6. Step 6: Final answer
    x = 655,498.72

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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.