Home / 553,680.80-829,968.24-273,399.20

Finding the Fourth Proportional to 553,680.80, 829,968.24 and 273,399.20

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Solution

The fourth proportional to 553,680.80, 829,968.24 and 273,399.20 is: 409,825.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,680.80 : 829,968.24 = 273,399.20 : x
  2. Step 2: Convert to fraction form
    553,680.80/829,968.24 = 273,399.20/x
  3. Step 3: Cross multiply
    553,680.80x = 829,968.24 × 273,399.20
  4. Step 4: Simplify right side
    553,680.80x = 226,912,652,841.41
  5. Step 5: Solve for x
    x = 226,912,652,841.41/553,680.80
  6. Step 6: Final answer
    x = 409,825.76

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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.