Home / 871,279.20-1,307,113.20-682,322.40

Finding the Fourth Proportional to 871,279.20, 1,307,113.20 and 682,322.40

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Solution

The fourth proportional to 871,279.20, 1,307,113.20 and 682,322.40 is: 1,023,635.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,279.20 : 1,307,113.20 = 682,322.40 : x
  2. Step 2: Convert to fraction form
    871,279.20/1,307,113.20 = 682,322.40/x
  3. Step 3: Cross multiply
    871,279.20x = 1,307,113.20 × 682,322.40
  4. Step 4: Simplify right side
    871,279.20x = 891,872,615,695.68
  5. Step 5: Solve for x
    x = 891,872,615,695.68/871,279.20
  6. Step 6: Final answer
    x = 1,023,635.84

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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.