Home / 771,200.70-1,156,315.05-322,233.90

Finding the Fourth Proportional to 771,200.70, 1,156,315.05 and 322,233.90

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Solution

The fourth proportional to 771,200.70, 1,156,315.05 and 322,233.90 is: 483,147.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,200.70 : 1,156,315.05 = 322,233.90 : x
  2. Step 2: Convert to fraction form
    771,200.70/1,156,315.05 = 322,233.90/x
  3. Step 3: Cross multiply
    771,200.70x = 1,156,315.05 × 322,233.90
  4. Step 4: Simplify right side
    771,200.70x = 372,603,908,190.20
  5. Step 5: Solve for x
    x = 372,603,908,190.20/771,200.70
  6. Step 6: Final answer
    x = 483,147.78

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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.