Home / 887,839.30-1,330,228.05-413,551.90

Finding the Fourth Proportional to 887,839.30, 1,330,228.05 and 413,551.90

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Solution

The fourth proportional to 887,839.30, 1,330,228.05 and 413,551.90 is: 619,614.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,839.30 : 1,330,228.05 = 413,551.90 : x
  2. Step 2: Convert to fraction form
    887,839.30/1,330,228.05 = 413,551.90/x
  3. Step 3: Cross multiply
    887,839.30x = 1,330,228.05 × 413,551.90
  4. Step 4: Simplify right side
    887,839.30x = 550,118,337,510.80
  5. Step 5: Solve for x
    x = 550,118,337,510.80/887,839.30
  6. Step 6: Final answer
    x = 619,614.76

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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.