Home / 976,822.20-1,465,233.30-657,957.60

Finding the Fourth Proportional to 976,822.20, 1,465,233.30 and 657,957.60

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Solution

The fourth proportional to 976,822.20, 1,465,233.30 and 657,957.60 is: 986,936.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,822.20 : 1,465,233.30 = 657,957.60 : x
  2. Step 2: Convert to fraction form
    976,822.20/1,465,233.30 = 657,957.60/x
  3. Step 3: Cross multiply
    976,822.20x = 1,465,233.30 × 657,957.60
  4. Step 4: Simplify right side
    976,822.20x = 964,061,385,508.08
  5. Step 5: Solve for x
    x = 964,061,385,508.08/976,822.20
  6. Step 6: Final answer
    x = 986,936.40

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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.