Home / 558,755.38-771,082.42-304,108.39

Finding the Fourth Proportional to 558,755.38, 771,082.42 and 304,108.39

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Solution

The fourth proportional to 558,755.38, 771,082.42 and 304,108.39 is: 419,669.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,755.38 : 771,082.42 = 304,108.39 : x
  2. Step 2: Convert to fraction form
    558,755.38/771,082.42 = 304,108.39/x
  3. Step 3: Cross multiply
    558,755.38x = 771,082.42 × 304,108.39
  4. Step 4: Simplify right side
    558,755.38x = 234,492,629,448.09
  5. Step 5: Solve for x
    x = 234,492,629,448.09/558,755.38
  6. Step 6: Final answer
    x = 419,669.57

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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.