Home / 726,170.19-1,088,116.83-459,367.13

Finding the Fourth Proportional to 726,170.19, 1,088,116.83 and 459,367.13

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Solution

The fourth proportional to 726,170.19, 1,088,116.83 and 459,367.13 is: 688,330.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,170.19 : 1,088,116.83 = 459,367.13 : x
  2. Step 2: Convert to fraction form
    726,170.19/1,088,116.83 = 459,367.13/x
  3. Step 3: Cross multiply
    726,170.19x = 1,088,116.83 × 459,367.13
  4. Step 4: Simplify right side
    726,170.19x = 499,845,099,861.21
  5. Step 5: Solve for x
    x = 499,845,099,861.21/726,170.19
  6. Step 6: Final answer
    x = 688,330.51

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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.