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Finding the Fourth Proportional to 802,023.20, 1,203,034.80 and 748,879.10

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Solution

The fourth proportional to 802,023.20, 1,203,034.80 and 748,879.10 is: 1,123,318.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,023.20 : 1,203,034.80 = 748,879.10 : x
  2. Step 2: Convert to fraction form
    802,023.20/1,203,034.80 = 748,879.10/x
  3. Step 3: Cross multiply
    802,023.20x = 1,203,034.80 × 748,879.10
  4. Step 4: Simplify right side
    802,023.20x = 900,927,618,292.68
  5. Step 5: Solve for x
    x = 900,927,618,292.68/802,023.20
  6. Step 6: Final answer
    x = 1,123,318.65

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1.5x scale

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.