Home / 575,086.20-861,981.30-275,710.20

Finding the Fourth Proportional to 575,086.20, 861,981.30 and 275,710.20

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Solution

The fourth proportional to 575,086.20, 861,981.30 and 275,710.20 is: 413,254.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,086.20 : 861,981.30 = 275,710.20 : x
  2. Step 2: Convert to fraction form
    575,086.20/861,981.30 = 275,710.20/x
  3. Step 3: Cross multiply
    575,086.20x = 861,981.30 × 275,710.20
  4. Step 4: Simplify right side
    575,086.20x = 237,657,036,619.26
  5. Step 5: Solve for x
    x = 237,657,036,619.26/575,086.20
  6. Step 6: Final answer
    x = 413,254.63

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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.