Home / 971,707.75-1,340,953.23-541,987.57

Finding the Fourth Proportional to 971,707.75, 1,340,953.23 and 541,987.57

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Solution

The fourth proportional to 971,707.75, 1,340,953.23 and 541,987.57 is: 747,940.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,707.75 : 1,340,953.23 = 541,987.57 : x
  2. Step 2: Convert to fraction form
    971,707.75/1,340,953.23 = 541,987.57/x
  3. Step 3: Cross multiply
    971,707.75x = 1,340,953.23 × 541,987.57
  4. Step 4: Simplify right side
    971,707.75x = 726,779,982,611.35
  5. Step 5: Solve for x
    x = 726,779,982,611.35/971,707.75
  6. Step 6: Final answer
    x = 747,940.91

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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.