Home / 572,720.10-859,080.15-480,099.30

Finding the Fourth Proportional to 572,720.10, 859,080.15 and 480,099.30

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Solution

The fourth proportional to 572,720.10, 859,080.15 and 480,099.30 is: 720,148.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,720.10 : 859,080.15 = 480,099.30 : x
  2. Step 2: Convert to fraction form
    572,720.10/859,080.15 = 480,099.30/x
  3. Step 3: Cross multiply
    572,720.10x = 859,080.15 × 480,099.30
  4. Step 4: Simplify right side
    572,720.10x = 412,443,778,658.90
  5. Step 5: Solve for x
    x = 412,443,778,658.90/572,720.10
  6. Step 6: Final answer
    x = 720,148.95

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Double scale
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Similar ratio
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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.