Home / 887,989.20-1,330,890.30-603,679.20

Finding the Fourth Proportional to 887,989.20, 1,330,890.30 and 603,679.20

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Solution

The fourth proportional to 887,989.20, 1,330,890.30 and 603,679.20 is: 904,775.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,989.20 : 1,330,890.30 = 603,679.20 : x
  2. Step 2: Convert to fraction form
    887,989.20/1,330,890.30 = 603,679.20/x
  3. Step 3: Cross multiply
    887,989.20x = 1,330,890.30 × 603,679.20
  4. Step 4: Simplify right side
    887,989.20x = 803,430,791,591.76
  5. Step 5: Solve for x
    x = 803,430,791,591.76/887,989.20
  6. Step 6: Final answer
    x = 904,775.41

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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.