Home / 971,642.26-1,340,868.36-541,911.34

Finding the Fourth Proportional to 971,642.26, 1,340,868.36 and 541,911.34

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Solution

The fourth proportional to 971,642.26, 1,340,868.36 and 541,911.34 is: 747,838.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,642.26 : 1,340,868.36 = 541,911.34 : x
  2. Step 2: Convert to fraction form
    971,642.26/1,340,868.36 = 541,911.34/x
  3. Step 3: Cross multiply
    971,642.26x = 1,340,868.36 × 541,911.34
  4. Step 4: Simplify right side
    971,642.26x = 726,631,769,731.20
  5. Step 5: Solve for x
    x = 726,631,769,731.20/971,642.26
  6. Step 6: Final answer
    x = 747,838.79

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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.