Home / 976,716.40-1,464,637.20-443,963.20

Finding the Fourth Proportional to 976,716.40, 1,464,637.20 and 443,963.20

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Solution

The fourth proportional to 976,716.40, 1,464,637.20 and 443,963.20 is: 665,745.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,716.40 : 1,464,637.20 = 443,963.20 : x
  2. Step 2: Convert to fraction form
    976,716.40/1,464,637.20 = 443,963.20/x
  3. Step 3: Cross multiply
    976,716.40x = 1,464,637.20 × 443,963.20
  4. Step 4: Simplify right side
    976,716.40x = 650,245,018,151.04
  5. Step 5: Solve for x
    x = 650,245,018,151.04/976,716.40
  6. Step 6: Final answer
    x = 665,745.98

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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.