Home / 772,969.20-1,158,532.20-323,689.20

Finding the Fourth Proportional to 772,969.20, 1,158,532.20 and 323,689.20

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Solution

The fourth proportional to 772,969.20, 1,158,532.20 and 323,689.20 is: 485,147.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,969.20 : 1,158,532.20 = 323,689.20 : x
  2. Step 2: Convert to fraction form
    772,969.20/1,158,532.20 = 323,689.20/x
  3. Step 3: Cross multiply
    772,969.20x = 1,158,532.20 × 323,689.20
  4. Step 4: Simplify right side
    772,969.20x = 375,004,360,992.24
  5. Step 5: Solve for x
    x = 375,004,360,992.24/772,969.20
  6. Step 6: Final answer
    x = 485,147.87

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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.