Home / 812,025.60-1,120,820.24-472,559.20

Finding the Fourth Proportional to 812,025.60, 1,120,820.24 and 472,559.20

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Solution

The fourth proportional to 812,025.60, 1,120,820.24 and 472,559.20 is: 652,262.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,025.60 : 1,120,820.24 = 472,559.20 : x
  2. Step 2: Convert to fraction form
    812,025.60/1,120,820.24 = 472,559.20/x
  3. Step 3: Cross multiply
    812,025.60x = 1,120,820.24 × 472,559.20
  4. Step 4: Simplify right side
    812,025.60x = 529,653,915,958.21
  5. Step 5: Solve for x
    x = 529,653,915,958.21/812,025.60
  6. Step 6: Final answer
    x = 652,262.58

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.