Home / 976,738.80-1,465,108.20-657,874.20

Finding the Fourth Proportional to 976,738.80, 1,465,108.20 and 657,874.20

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Solution

The fourth proportional to 976,738.80, 1,465,108.20 and 657,874.20 is: 986,811.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,738.80 : 1,465,108.20 = 657,874.20 : x
  2. Step 2: Convert to fraction form
    976,738.80/1,465,108.20 = 657,874.20/x
  3. Step 3: Cross multiply
    976,738.80x = 1,465,108.20 × 657,874.20
  4. Step 4: Simplify right side
    976,738.80x = 963,856,884,988.44
  5. Step 5: Solve for x
    x = 963,856,884,988.44/976,738.80
  6. Step 6: Final answer
    x = 986,811.30

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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.