Home / 558,759.38-771,087.96-304,112.39

Finding the Fourth Proportional to 558,759.38, 771,087.96 and 304,112.39

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Solution

The fourth proportional to 558,759.38, 771,087.96 and 304,112.39 is: 419,675.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,759.38 : 771,087.96 = 304,112.39 : x
  2. Step 2: Convert to fraction form
    558,759.38/771,087.96 = 304,112.39/x
  3. Step 3: Cross multiply
    558,759.38x = 771,087.96 × 304,112.39
  4. Step 4: Simplify right side
    558,759.38x = 234,497,398,560.39
  5. Step 5: Solve for x
    x = 234,497,398,560.39/558,759.38
  6. Step 6: Final answer
    x = 419,675.10

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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.