Home / 419,042.91-578,401.29-273,869.85

Finding the Fourth Proportional to 419,042.91, 578,401.29 and 273,869.85

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Solution

The fourth proportional to 419,042.91, 578,401.29 and 273,869.85 is: 378,020.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,042.91 : 578,401.29 = 273,869.85 : x
  2. Step 2: Convert to fraction form
    419,042.91/578,401.29 = 273,869.85/x
  3. Step 3: Cross multiply
    419,042.91x = 578,401.29 × 273,869.85
  4. Step 4: Simplify right side
    419,042.91x = 158,406,674,532.11
  5. Step 5: Solve for x
    x = 158,406,674,532.11/419,042.91
  6. Step 6: Final answer
    x = 378,020.18

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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.