Home / 971,495.28-1,340,660.88-541,775.88

Finding the Fourth Proportional to 971,495.28, 1,340,660.88 and 541,775.88

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Solution

The fourth proportional to 971,495.28, 1,340,660.88 and 541,775.88 is: 747,649.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,495.28 : 1,340,660.88 = 541,775.88 : x
  2. Step 2: Convert to fraction form
    971,495.28/1,340,660.88 = 541,775.88/x
  3. Step 3: Cross multiply
    971,495.28x = 1,340,660.88 × 541,775.88
  4. Step 4: Simplify right side
    971,495.28x = 726,337,728,043.57
  5. Step 5: Solve for x
    x = 726,337,728,043.57/971,495.28
  6. Step 6: Final answer
    x = 747,649.26

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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.