Home / 812,036.22-1,120,724.55-472,613.82

Finding the Fourth Proportional to 812,036.22, 1,120,724.55 and 472,613.82

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Solution

The fourth proportional to 812,036.22, 1,120,724.55 and 472,613.82 is: 652,273.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,036.22 : 1,120,724.55 = 472,613.82 : x
  2. Step 2: Convert to fraction form
    812,036.22/1,120,724.55 = 472,613.82/x
  3. Step 3: Cross multiply
    812,036.22x = 1,120,724.55 × 472,613.82
  4. Step 4: Simplify right side
    812,036.22x = 529,669,910,743.28
  5. Step 5: Solve for x
    x = 529,669,910,743.28/812,036.22
  6. Step 6: Final answer
    x = 652,273.75

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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.