Home / 726,152.20-1,088,231.82-459,435.24

Finding the Fourth Proportional to 726,152.20, 1,088,231.82 and 459,435.24

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Solution

The fourth proportional to 726,152.20, 1,088,231.82 and 459,435.24 is: 688,522.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,152.20 : 1,088,231.82 = 459,435.24 : x
  2. Step 2: Convert to fraction form
    726,152.20/1,088,231.82 = 459,435.24/x
  3. Step 3: Cross multiply
    726,152.20x = 1,088,231.82 × 459,435.24
  4. Step 4: Simplify right side
    726,152.20x = 499,972,047,397.34
  5. Step 5: Solve for x
    x = 499,972,047,397.34/726,152.20
  6. Step 6: Final answer
    x = 688,522.39

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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.