Home / 772,172.43-1,158,662.55-560,687.31

Finding the Fourth Proportional to 772,172.43, 1,158,662.55 and 560,687.31

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Solution

The fourth proportional to 772,172.43, 1,158,662.55 and 560,687.31 is: 841,324.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,172.43 : 1,158,662.55 = 560,687.31 : x
  2. Step 2: Convert to fraction form
    772,172.43/1,158,662.55 = 560,687.31/x
  3. Step 3: Cross multiply
    772,172.43x = 1,158,662.55 × 560,687.31
  4. Step 4: Simplify right side
    772,172.43x = 649,647,388,357.24
  5. Step 5: Solve for x
    x = 649,647,388,357.24/772,172.43
  6. Step 6: Final answer
    x = 841,324.25

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1.5x scale

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.