Home / 971,939.80-1,456,872.90-372,669.40

Finding the Fourth Proportional to 971,939.80, 1,456,872.90 and 372,669.40

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Solution

The fourth proportional to 971,939.80, 1,456,872.90 and 372,669.40 is: 558,606.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,939.80 : 1,456,872.90 = 372,669.40 : x
  2. Step 2: Convert to fraction form
    971,939.80/1,456,872.90 = 372,669.40/x
  3. Step 3: Cross multiply
    971,939.80x = 1,456,872.90 × 372,669.40
  4. Step 4: Simplify right side
    971,939.80x = 542,931,949,519.26
  5. Step 5: Solve for x
    x = 542,931,949,519.26/971,939.80
  6. Step 6: Final answer
    x = 558,606.56

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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.