Home / 871,332.60-1,306,998.90-572,734.20

Finding the Fourth Proportional to 871,332.60, 1,306,998.90 and 572,734.20

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Solution

The fourth proportional to 871,332.60, 1,306,998.90 and 572,734.20 is: 859,101.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,332.60 : 1,306,998.90 = 572,734.20 : x
  2. Step 2: Convert to fraction form
    871,332.60/1,306,998.90 = 572,734.20/x
  3. Step 3: Cross multiply
    871,332.60x = 1,306,998.90 × 572,734.20
  4. Step 4: Simplify right side
    871,332.60x = 748,562,969,392.38
  5. Step 5: Solve for x
    x = 748,562,969,392.38/871,332.60
  6. Step 6: Final answer
    x = 859,101.30

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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.