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Finding the Fourth Proportional to 525,479.28, 725,198.28 and 292,920.96

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Solution

The fourth proportional to 525,479.28, 725,198.28 and 292,920.96 is: 404,251.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,479.28 : 725,198.28 = 292,920.96 : x
  2. Step 2: Convert to fraction form
    525,479.28/725,198.28 = 292,920.96/x
  3. Step 3: Cross multiply
    525,479.28x = 725,198.28 × 292,920.96
  4. Step 4: Simplify right side
    525,479.28x = 212,425,776,367.95
  5. Step 5: Solve for x
    x = 212,425,776,367.95/525,479.28
  6. Step 6: Final answer
    x = 404,251.48

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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.