Home / 842,572.02-1,162,757.16-479,990.52

Finding the Fourth Proportional to 842,572.02, 1,162,757.16 and 479,990.52

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Solution

The fourth proportional to 842,572.02, 1,162,757.16 and 479,990.52 is: 662,391.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,572.02 : 1,162,757.16 = 479,990.52 : x
  2. Step 2: Convert to fraction form
    842,572.02/1,162,757.16 = 479,990.52/x
  3. Step 3: Cross multiply
    842,572.02x = 1,162,757.16 × 479,990.52
  4. Step 4: Simplify right side
    842,572.02x = 558,112,413,862.12
  5. Step 5: Solve for x
    x = 558,112,413,862.12/842,572.02
  6. Step 6: Final answer
    x = 662,391.35

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1.5x scale

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.