Home / 494,257.19-741,385.85-120,280.19

Finding the Fourth Proportional to 494,257.19, 741,385.85 and 120,280.19

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Solution

The fourth proportional to 494,257.19, 741,385.85 and 120,280.19 is: 180,420.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,257.19 : 741,385.85 = 120,280.19 : x
  2. Step 2: Convert to fraction form
    494,257.19/741,385.85 = 120,280.19/x
  3. Step 3: Cross multiply
    494,257.19x = 741,385.85 × 120,280.19
  4. Step 4: Simplify right side
    494,257.19x = 89,174,026,592.98
  5. Step 5: Solve for x
    x = 89,174,026,592.98/494,257.19
  6. Step 6: Final answer
    x = 180,420.29

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1.5x scale

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.