Home / 752,162.91-1,037,966.11-421,014.20

Finding the Fourth Proportional to 752,162.91, 1,037,966.11 and 421,014.20

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Solution

The fourth proportional to 752,162.91, 1,037,966.11 and 421,014.20 is: 580,989.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,162.91 : 1,037,966.11 = 421,014.20 : x
  2. Step 2: Convert to fraction form
    752,162.91/1,037,966.11 = 421,014.20/x
  3. Step 3: Cross multiply
    752,162.91x = 1,037,966.11 × 421,014.20
  4. Step 4: Simplify right side
    752,162.91x = 436,998,465,186.40
  5. Step 5: Solve for x
    x = 436,998,465,186.40/752,162.91
  6. Step 6: Final answer
    x = 580,989.12

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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.