Home / 545,138.45-752,280.16-341,301.85

Finding the Fourth Proportional to 545,138.45, 752,280.16 and 341,301.85

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Solution

The fourth proportional to 545,138.45, 752,280.16 and 341,301.85 is: 470,989.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,138.45 : 752,280.16 = 341,301.85 : x
  2. Step 2: Convert to fraction form
    545,138.45/752,280.16 = 341,301.85/x
  3. Step 3: Cross multiply
    545,138.45x = 752,280.16 × 341,301.85
  4. Step 4: Simplify right side
    545,138.45x = 256,754,612,463.86
  5. Step 5: Solve for x
    x = 256,754,612,463.86/545,138.45
  6. Step 6: Final answer
    x = 470,989.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.