Home / 638,447.12-954,847.02-567,865.34

Finding the Fourth Proportional to 638,447.12, 954,847.02 and 567,865.34

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Solution

The fourth proportional to 638,447.12, 954,847.02 and 567,865.34 is: 849,286.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,447.12 : 954,847.02 = 567,865.34 : x
  2. Step 2: Convert to fraction form
    638,447.12/954,847.02 = 567,865.34/x
  3. Step 3: Cross multiply
    638,447.12x = 954,847.02 × 567,865.34
  4. Step 4: Simplify right side
    638,447.12x = 542,224,527,660.29
  5. Step 5: Solve for x
    x = 542,224,527,660.29/638,447.12
  6. Step 6: Final answer
    x = 849,286.51

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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.