Home / 572,720.96-859,080.36-319,957.76

Finding the Fourth Proportional to 572,720.96, 859,080.36 and 319,957.76

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Solution

The fourth proportional to 572,720.96, 859,080.36 and 319,957.76 is: 479,936.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,720.96 : 859,080.36 = 319,957.76 : x
  2. Step 2: Convert to fraction form
    572,720.96/859,080.36 = 319,957.76/x
  3. Step 3: Cross multiply
    572,720.96x = 859,080.36 × 319,957.76
  4. Step 4: Simplify right side
    572,720.96x = 274,869,427,645.59
  5. Step 5: Solve for x
    x = 274,869,427,645.59/572,720.96
  6. Step 6: Final answer
    x = 479,936.04

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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.