Home / 418,078.11-577,187.20-275,253.38

Finding the Fourth Proportional to 418,078.11, 577,187.20 and 275,253.38

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Solution

The fourth proportional to 418,078.11, 577,187.20 and 275,253.38 is: 380,007.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,078.11 : 577,187.20 = 275,253.38 : x
  2. Step 2: Convert to fraction form
    418,078.11/577,187.20 = 275,253.38/x
  3. Step 3: Cross multiply
    418,078.11x = 577,187.20 × 275,253.38
  4. Step 4: Simplify right side
    418,078.11x = 158,872,727,692.74
  5. Step 5: Solve for x
    x = 158,872,727,692.74/418,078.11
  6. Step 6: Final answer
    x = 380,007.29

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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.