Home / 975,760.56-1,463,820.66-443,321.64

Finding the Fourth Proportional to 975,760.56, 1,463,820.66 and 443,321.64

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Solution

The fourth proportional to 975,760.56, 1,463,820.66 and 443,321.64 is: 665,064.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,760.56 : 1,463,820.66 = 443,321.64 : x
  2. Step 2: Convert to fraction form
    975,760.56/1,463,820.66 = 443,321.64/x
  3. Step 3: Cross multiply
    975,760.56x = 1,463,820.66 × 443,321.64
  4. Step 4: Simplify right side
    975,760.56x = 648,943,375,657.08
  5. Step 5: Solve for x
    x = 648,943,375,657.08/975,760.56
  6. Step 6: Final answer
    x = 665,064.16

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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.