Home / 424,002.44-585,159.28-288,337.36

Finding the Fourth Proportional to 424,002.44, 585,159.28 and 288,337.36

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Solution

The fourth proportional to 424,002.44, 585,159.28 and 288,337.36 is: 397,929.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,002.44 : 585,159.28 = 288,337.36 : x
  2. Step 2: Convert to fraction form
    424,002.44/585,159.28 = 288,337.36/x
  3. Step 3: Cross multiply
    424,002.44x = 585,159.28 × 288,337.36
  4. Step 4: Simplify right side
    424,002.44x = 168,723,281,974.70
  5. Step 5: Solve for x
    x = 168,723,281,974.70/424,002.44
  6. Step 6: Final answer
    x = 397,929.98

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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.