Home / 726,151.96-1,088,231.44-459,435

Finding the Fourth Proportional to 726,151.96, 1,088,231.44 and 459,435

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Solution

The fourth proportional to 726,151.96, 1,088,231.44 and 459,435 is: 688,522.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,151.96 : 1,088,231.44 = 459,435 : x
  2. Step 2: Convert to fraction form
    726,151.96/1,088,231.44 = 459,435/x
  3. Step 3: Cross multiply
    726,151.96x = 1,088,231.44 × 459,435
  4. Step 4: Simplify right side
    726,151.96x = 499,971,611,636.40
  5. Step 5: Solve for x
    x = 499,971,611,636.40/726,151.96
  6. Step 6: Final answer
    x = 688,522.02

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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.