Home / 418,115.39-576,679.68-360,072.65

Finding the Fourth Proportional to 418,115.39, 576,679.68 and 360,072.65

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Solution

The fourth proportional to 418,115.39, 576,679.68 and 360,072.65 is: 496,625.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,115.39 : 576,679.68 = 360,072.65 : x
  2. Step 2: Convert to fraction form
    418,115.39/576,679.68 = 360,072.65/x
  3. Step 3: Cross multiply
    418,115.39x = 576,679.68 × 360,072.65
  4. Step 4: Simplify right side
    418,115.39x = 207,646,582,020.45
  5. Step 5: Solve for x
    x = 207,646,582,020.45/418,115.39
  6. Step 6: Final answer
    x = 496,625.07

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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.