Home / 887,834.30-1,330,220.55-413,546.90

Finding the Fourth Proportional to 887,834.30, 1,330,220.55 and 413,546.90

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Solution

The fourth proportional to 887,834.30, 1,330,220.55 and 413,546.90 is: 619,607.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,834.30 : 1,330,220.55 = 413,546.90 : x
  2. Step 2: Convert to fraction form
    887,834.30/1,330,220.55 = 413,546.90/x
  3. Step 3: Cross multiply
    887,834.30x = 1,330,220.55 × 413,546.90
  4. Step 4: Simplify right side
    887,834.30x = 550,108,584,768.80
  5. Step 5: Solve for x
    x = 550,108,584,768.80/887,834.30
  6. Step 6: Final answer
    x = 619,607.27

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.