Home / 800,928.48-1,201,432.64-239,909.52

Finding the Fourth Proportional to 800,928.48, 1,201,432.64 and 239,909.52

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Solution

The fourth proportional to 800,928.48, 1,201,432.64 and 239,909.52 is: 359,876.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,928.48 : 1,201,432.64 = 239,909.52 : x
  2. Step 2: Convert to fraction form
    800,928.48/1,201,432.64 = 239,909.52/x
  3. Step 3: Cross multiply
    800,928.48x = 1,201,432.64 × 239,909.52
  4. Step 4: Simplify right side
    800,928.48x = 288,235,127,974.73
  5. Step 5: Solve for x
    x = 288,235,127,974.73/800,928.48
  6. Step 6: Final answer
    x = 359,876.24

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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.