Home / 522,479.38-721,029.78-293,087.66

Finding the Fourth Proportional to 522,479.38, 721,029.78 and 293,087.66

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Solution

The fourth proportional to 522,479.38, 721,029.78 and 293,087.66 is: 404,465.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,479.38 : 721,029.78 = 293,087.66 : x
  2. Step 2: Convert to fraction form
    522,479.38/721,029.78 = 293,087.66/x
  3. Step 3: Cross multiply
    522,479.38x = 721,029.78 × 293,087.66
  4. Step 4: Simplify right side
    522,479.38x = 211,324,931,010.52
  5. Step 5: Solve for x
    x = 211,324,931,010.52/522,479.38
  6. Step 6: Final answer
    x = 404,465.59

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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.