Home / 971,392.60-1,456,397.70-372,122.20

Finding the Fourth Proportional to 971,392.60, 1,456,397.70 and 372,122.20

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Solution

The fourth proportional to 971,392.60, 1,456,397.70 and 372,122.20 is: 557,918.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,392.60 : 1,456,397.70 = 372,122.20 : x
  2. Step 2: Convert to fraction form
    971,392.60/1,456,397.70 = 372,122.20/x
  3. Step 3: Cross multiply
    971,392.60x = 1,456,397.70 × 372,122.20
  4. Step 4: Simplify right side
    971,392.60x = 541,957,916,198.94
  5. Step 5: Solve for x
    x = 541,957,916,198.94/971,392.60
  6. Step 6: Final answer
    x = 557,918.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.