Home / 558,900.38-771,278.68-304,250.96

Finding the Fourth Proportional to 558,900.38, 771,278.68 and 304,250.96

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Solution

The fourth proportional to 558,900.38, 771,278.68 and 304,250.96 is: 419,864.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,900.38 : 771,278.68 = 304,250.96 : x
  2. Step 2: Convert to fraction form
    558,900.38/771,278.68 = 304,250.96/x
  3. Step 3: Cross multiply
    558,900.38x = 771,278.68 × 304,250.96
  4. Step 4: Simplify right side
    558,900.38x = 234,662,278,817.53
  5. Step 5: Solve for x
    x = 234,662,278,817.53/558,900.38
  6. Step 6: Final answer
    x = 419,864.23

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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.