Home / 459,114.79-688,788.90-269,735.17

Finding the Fourth Proportional to 459,114.79, 688,788.90 and 269,735.17

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Solution

The fourth proportional to 459,114.79, 688,788.90 and 269,735.17 is: 404,671.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,114.79 : 688,788.90 = 269,735.17 : x
  2. Step 2: Convert to fraction form
    459,114.79/688,788.90 = 269,735.17/x
  3. Step 3: Cross multiply
    459,114.79x = 688,788.90 × 269,735.17
  4. Step 4: Simplify right side
    459,114.79x = 185,790,587,591.67
  5. Step 5: Solve for x
    x = 185,790,587,591.67/459,114.79
  6. Step 6: Final answer
    x = 404,671.32

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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.