Home / 558,760.38-771,089.34-304,113.39

Finding the Fourth Proportional to 558,760.38, 771,089.34 and 304,113.39

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Solution

The fourth proportional to 558,760.38, 771,089.34 and 304,113.39 is: 419,676.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,760.38 : 771,089.34 = 304,113.39 : x
  2. Step 2: Convert to fraction form
    558,760.38/771,089.34 = 304,113.39/x
  3. Step 3: Cross multiply
    558,760.38x = 771,089.34 × 304,113.39
  4. Step 4: Simplify right side
    558,760.38x = 234,498,593,180.26
  5. Step 5: Solve for x
    x = 234,498,593,180.26/558,760.38
  6. Step 6: Final answer
    x = 419,676.49

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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.