Home / 962,402.85-1,328,147.28-554,472.68

Finding the Fourth Proportional to 962,402.85, 1,328,147.28 and 554,472.68

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Solution

The fourth proportional to 962,402.85, 1,328,147.28 and 554,472.68 is: 765,190.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,402.85 : 1,328,147.28 = 554,472.68 : x
  2. Step 2: Convert to fraction form
    962,402.85/1,328,147.28 = 554,472.68/x
  3. Step 3: Cross multiply
    962,402.85x = 1,328,147.28 × 554,472.68
  4. Step 4: Simplify right side
    962,402.85x = 736,421,375,135.57
  5. Step 5: Solve for x
    x = 736,421,375,135.57/962,402.85
  6. Step 6: Final answer
    x = 765,190.35

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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.