Home / 501,433.56-692,080.24-340,340.54

Finding the Fourth Proportional to 501,433.56, 692,080.24 and 340,340.54

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Solution

The fourth proportional to 501,433.56, 692,080.24 and 340,340.54 is: 469,739.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,433.56 : 692,080.24 = 340,340.54 : x
  2. Step 2: Convert to fraction form
    501,433.56/692,080.24 = 340,340.54/x
  3. Step 3: Cross multiply
    501,433.56x = 692,080.24 × 340,340.54
  4. Step 4: Simplify right side
    501,433.56x = 235,542,962,604.93
  5. Step 5: Solve for x
    x = 235,542,962,604.93/501,433.56
  6. Step 6: Final answer
    x = 469,739.13

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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.