Home / 752,658.88-1,038,651.91-408,495.42

Finding the Fourth Proportional to 752,658.88, 1,038,651.91 and 408,495.42

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Solution

The fourth proportional to 752,658.88, 1,038,651.91 and 408,495.42 is: 563,714.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,658.88 : 1,038,651.91 = 408,495.42 : x
  2. Step 2: Convert to fraction form
    752,658.88/1,038,651.91 = 408,495.42/x
  3. Step 3: Cross multiply
    752,658.88x = 1,038,651.91 × 408,495.42
  4. Step 4: Simplify right side
    752,658.88x = 424,284,548,209.25
  5. Step 5: Solve for x
    x = 424,284,548,209.25/752,658.88
  6. Step 6: Final answer
    x = 563,714.27

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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.