Home / 644,140.20-967,247.10-486,546.60

Finding the Fourth Proportional to 644,140.20, 967,247.10 and 486,546.60

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Solution

The fourth proportional to 644,140.20, 967,247.10 and 486,546.60 is: 730,603.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,140.20 : 967,247.10 = 486,546.60 : x
  2. Step 2: Convert to fraction form
    644,140.20/967,247.10 = 486,546.60/x
  3. Step 3: Cross multiply
    644,140.20x = 967,247.10 × 486,546.60
  4. Step 4: Simplify right side
    644,140.20x = 470,610,787,864.86
  5. Step 5: Solve for x
    x = 470,610,787,864.86/644,140.20
  6. Step 6: Final answer
    x = 730,603.04

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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.