Home / 842,101.92-1,262,270.52-392,451.84

Finding the Fourth Proportional to 842,101.92, 1,262,270.52 and 392,451.84

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Solution

The fourth proportional to 842,101.92, 1,262,270.52 and 392,451.84 is: 588,266.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,101.92 : 1,262,270.52 = 392,451.84 : x
  2. Step 2: Convert to fraction form
    842,101.92/1,262,270.52 = 392,451.84/x
  3. Step 3: Cross multiply
    842,101.92x = 1,262,270.52 × 392,451.84
  4. Step 4: Simplify right side
    842,101.92x = 495,380,388,151.76
  5. Step 5: Solve for x
    x = 495,380,388,151.76/842,101.92
  6. Step 6: Final answer
    x = 588,266.55

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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.