Home / 971,122.80-1,456,684.20-371,775.45

Finding the Fourth Proportional to 971,122.80, 1,456,684.20 and 371,775.45

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Solution

The fourth proportional to 971,122.80, 1,456,684.20 and 371,775.45 is: 557,663.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,122.80 : 1,456,684.20 = 371,775.45 : x
  2. Step 2: Convert to fraction form
    971,122.80/1,456,684.20 = 371,775.45/x
  3. Step 3: Cross multiply
    971,122.80x = 1,456,684.20 × 371,775.45
  4. Step 4: Simplify right side
    971,122.80x = 541,559,423,962.89
  5. Step 5: Solve for x
    x = 541,559,423,962.89/971,122.80
  6. Step 6: Final answer
    x = 557,663.18

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Similar ratio
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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.