Home / 423,924.18-633,127.13-379,834.26

Finding the Fourth Proportional to 423,924.18, 633,127.13 and 379,834.26

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Solution

The fourth proportional to 423,924.18, 633,127.13 and 379,834.26 is: 567,279.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,924.18 : 633,127.13 = 379,834.26 : x
  2. Step 2: Convert to fraction form
    423,924.18/633,127.13 = 379,834.26/x
  3. Step 3: Cross multiply
    423,924.18x = 633,127.13 × 379,834.26
  4. Step 4: Simplify right side
    423,924.18x = 240,483,373,010.30
  5. Step 5: Solve for x
    x = 240,483,373,010.30/423,924.18
  6. Step 6: Final answer
    x = 567,279.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.