Home / 976,253.40-1,463,942.70-443,500.20

Finding the Fourth Proportional to 976,253.40, 1,463,942.70 and 443,500.20

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Solution

The fourth proportional to 976,253.40, 1,463,942.70 and 443,500.20 is: 665,051.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,253.40 : 1,463,942.70 = 443,500.20 : x
  2. Step 2: Convert to fraction form
    976,253.40/1,463,942.70 = 443,500.20/x
  3. Step 3: Cross multiply
    976,253.40x = 1,463,942.70 × 443,500.20
  4. Step 4: Simplify right side
    976,253.40x = 649,258,880,238.54
  5. Step 5: Solve for x
    x = 649,258,880,238.54/976,253.40
  6. Step 6: Final answer
    x = 665,051.59

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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.