Home / 838,142.20-1,257,550.04-382,949.20

Finding the Fourth Proportional to 838,142.20, 1,257,550.04 and 382,949.20

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Solution

The fourth proportional to 838,142.20, 1,257,550.04 and 382,949.20 is: 574,577.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,142.20 : 1,257,550.04 = 382,949.20 : x
  2. Step 2: Convert to fraction form
    838,142.20/1,257,550.04 = 382,949.20/x
  3. Step 3: Cross multiply
    838,142.20x = 1,257,550.04 × 382,949.20
  4. Step 4: Simplify right side
    838,142.20x = 481,577,781,777.97
  5. Step 5: Solve for x
    x = 481,577,781,777.97/838,142.20
  6. Step 6: Final answer
    x = 574,577.66

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1.5x scale

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.