Home / 971,657.28-1,340,889.08-541,926.36

Finding the Fourth Proportional to 971,657.28, 1,340,889.08 and 541,926.36

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Solution

The fourth proportional to 971,657.28, 1,340,889.08 and 541,926.36 is: 747,859.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,657.28 : 1,340,889.08 = 541,926.36 : x
  2. Step 2: Convert to fraction form
    971,657.28/1,340,889.08 = 541,926.36/x
  3. Step 3: Cross multiply
    971,657.28x = 1,340,889.08 × 541,926.36
  4. Step 4: Simplify right side
    971,657.28x = 726,663,138,288.15
  5. Step 5: Solve for x
    x = 726,663,138,288.15/971,657.28
  6. Step 6: Final answer
    x = 747,859.51

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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.