Home / 842,102.92-1,262,272.02-392,452.84

Finding the Fourth Proportional to 842,102.92, 1,262,272.02 and 392,452.84

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Solution

The fourth proportional to 842,102.92, 1,262,272.02 and 392,452.84 is: 588,268.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,102.92 : 1,262,272.02 = 392,452.84 : x
  2. Step 2: Convert to fraction form
    842,102.92/1,262,272.02 = 392,452.84/x
  3. Step 3: Cross multiply
    842,102.92x = 1,262,272.02 × 392,452.84
  4. Step 4: Simplify right side
    842,102.92x = 495,382,239,101.54
  5. Step 5: Solve for x
    x = 495,382,239,101.54/842,102.92
  6. Step 6: Final answer
    x = 588,268.05

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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.