Home / 920,921.92-1,270,535.14-558,084.04

Finding the Fourth Proportional to 920,921.92, 1,270,535.14 and 558,084.04

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Solution

The fourth proportional to 920,921.92, 1,270,535.14 and 558,084.04 is: 769,951.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,921.92 : 1,270,535.14 = 558,084.04 : x
  2. Step 2: Convert to fraction form
    920,921.92/1,270,535.14 = 558,084.04/x
  3. Step 3: Cross multiply
    920,921.92x = 1,270,535.14 × 558,084.04
  4. Step 4: Simplify right side
    920,921.92x = 709,065,383,893.17
  5. Step 5: Solve for x
    x = 709,065,383,893.17/920,921.92
  6. Step 6: Final answer
    x = 769,951.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.