Home / 572,562.20-859,171.35-217,830.80

Finding the Fourth Proportional to 572,562.20, 859,171.35 and 217,830.80

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Solution

The fourth proportional to 572,562.20, 859,171.35 and 217,830.80 is: 326,871.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,562.20 : 859,171.35 = 217,830.80 : x
  2. Step 2: Convert to fraction form
    572,562.20/859,171.35 = 217,830.80/x
  3. Step 3: Cross multiply
    572,562.20x = 859,171.35 × 217,830.80
  4. Step 4: Simplify right side
    572,562.20x = 187,153,982,507.58
  5. Step 5: Solve for x
    x = 187,153,982,507.58/572,562.20
  6. Step 6: Final answer
    x = 326,871.01

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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.