Home / 887,937.30-1,330,375.05-413,649.90

Finding the Fourth Proportional to 887,937.30, 1,330,375.05 and 413,649.90

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Solution

The fourth proportional to 887,937.30, 1,330,375.05 and 413,649.90 is: 619,761.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,937.30 : 1,330,375.05 = 413,649.90 : x
  2. Step 2: Convert to fraction form
    887,937.30/1,330,375.05 = 413,649.90/x
  3. Step 3: Cross multiply
    887,937.30x = 1,330,375.05 × 413,649.90
  4. Step 4: Simplify right side
    887,937.30x = 550,309,506,395.00
  5. Step 5: Solve for x
    x = 550,309,506,395.00/887,937.30
  6. Step 6: Final answer
    x = 619,761.67

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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.