Home / 575,404.20-862,377.30-219,943.80

Finding the Fourth Proportional to 575,404.20, 862,377.30 and 219,943.80

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Solution

The fourth proportional to 575,404.20, 862,377.30 and 219,943.80 is: 329,637.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,404.20 : 862,377.30 = 219,943.80 : x
  2. Step 2: Convert to fraction form
    575,404.20/862,377.30 = 219,943.80/x
  3. Step 3: Cross multiply
    575,404.20x = 862,377.30 × 219,943.80
  4. Step 4: Simplify right side
    575,404.20x = 189,674,540,395.74
  5. Step 5: Solve for x
    x = 189,674,540,395.74/575,404.20
  6. Step 6: Final answer
    x = 329,637.05

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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.