Home / 726,150.83-1,088,229.77-459,433.87

Finding the Fourth Proportional to 726,150.83, 1,088,229.77 and 459,433.87

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Solution

The fourth proportional to 726,150.83, 1,088,229.77 and 459,433.87 is: 688,520.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,150.83 : 1,088,229.77 = 459,433.87 : x
  2. Step 2: Convert to fraction form
    726,150.83/1,088,229.77 = 459,433.87/x
  3. Step 3: Cross multiply
    726,150.83x = 1,088,229.77 × 459,433.87
  4. Step 4: Simplify right side
    726,150.83x = 499,969,611,385.44
  5. Step 5: Solve for x
    x = 499,969,611,385.44/726,150.83
  6. Step 6: Final answer
    x = 688,520.34

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1.5x scale

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.