Home / 886,798.73-1,223,393.52-542,651.20

Finding the Fourth Proportional to 886,798.73, 1,223,393.52 and 542,651.20

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Solution

The fourth proportional to 886,798.73, 1,223,393.52 and 542,651.20 is: 748,620.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,798.73 : 1,223,393.52 = 542,651.20 : x
  2. Step 2: Convert to fraction form
    886,798.73/1,223,393.52 = 542,651.20/x
  3. Step 3: Cross multiply
    886,798.73x = 1,223,393.52 × 542,651.20
  4. Step 4: Simplify right side
    886,798.73x = 663,875,960,676.68
  5. Step 5: Solve for x
    x = 663,875,960,676.68/886,798.73
  6. Step 6: Final answer
    x = 748,620.78

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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.