Home / 755,911.80-1,043,158.37-416,380.05

Finding the Fourth Proportional to 755,911.80, 1,043,158.37 and 416,380.05

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Solution

The fourth proportional to 755,911.80, 1,043,158.37 and 416,380.05 is: 574,604.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,911.80 : 1,043,158.37 = 416,380.05 : x
  2. Step 2: Convert to fraction form
    755,911.80/1,043,158.37 = 416,380.05/x
  3. Step 3: Cross multiply
    755,911.80x = 1,043,158.37 × 416,380.05
  4. Step 4: Simplify right side
    755,911.80x = 434,350,332,176.62
  5. Step 5: Solve for x
    x = 434,350,332,176.62/755,911.80
  6. Step 6: Final answer
    x = 574,604.51

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1.5x scale

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.