Home / 575,143.20-862,066.80-275,767.20

Finding the Fourth Proportional to 575,143.20, 862,066.80 and 275,767.20

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Solution

The fourth proportional to 575,143.20, 862,066.80 and 275,767.20 is: 413,340.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,143.20 : 862,066.80 = 275,767.20 : x
  2. Step 2: Convert to fraction form
    575,143.20/862,066.80 = 275,767.20/x
  3. Step 3: Cross multiply
    575,143.20x = 862,066.80 × 275,767.20
  4. Step 4: Simplify right side
    575,143.20x = 237,729,747,648.96
  5. Step 5: Solve for x
    x = 237,729,747,648.96/575,143.20
  6. Step 6: Final answer
    x = 413,340.10

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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.