Home / 769,655.96-1,062,172.38-430,151.32

Finding the Fourth Proportional to 769,655.96, 1,062,172.38 and 430,151.32

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Solution

The fourth proportional to 769,655.96, 1,062,172.38 and 430,151.32 is: 593,635.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,655.96 : 1,062,172.38 = 430,151.32 : x
  2. Step 2: Convert to fraction form
    769,655.96/1,062,172.38 = 430,151.32/x
  3. Step 3: Cross multiply
    769,655.96x = 1,062,172.38 × 430,151.32
  4. Step 4: Simplify right side
    769,655.96x = 456,894,851,324.54
  5. Step 5: Solve for x
    x = 456,894,851,324.54/769,655.96
  6. Step 6: Final answer
    x = 593,635.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.