Home / 971,643.26-1,340,869.74-541,912.34

Finding the Fourth Proportional to 971,643.26, 1,340,869.74 and 541,912.34

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Solution

The fourth proportional to 971,643.26, 1,340,869.74 and 541,912.34 is: 747,840.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,643.26 : 1,340,869.74 = 541,912.34 : x
  2. Step 2: Convert to fraction form
    971,643.26/1,340,869.74 = 541,912.34/x
  3. Step 3: Cross multiply
    971,643.26x = 1,340,869.74 × 541,912.34
  4. Step 4: Simplify right side
    971,643.26x = 726,633,858,438.59
  5. Step 5: Solve for x
    x = 726,633,858,438.59/971,643.26
  6. Step 6: Final answer
    x = 747,840.17

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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.