Home / 559,964.12-772,731.24-318,242.48

Finding the Fourth Proportional to 559,964.12, 772,731.24 and 318,242.48

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Solution

The fourth proportional to 559,964.12, 772,731.24 and 318,242.48 is: 439,163.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,964.12 : 772,731.24 = 318,242.48 : x
  2. Step 2: Convert to fraction form
    559,964.12/772,731.24 = 318,242.48/x
  3. Step 3: Cross multiply
    559,964.12x = 772,731.24 × 318,242.48
  4. Step 4: Simplify right side
    559,964.12x = 245,915,906,191.08
  5. Step 5: Solve for x
    x = 245,915,906,191.08/559,964.12
  6. Step 6: Final answer
    x = 439,163.68

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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.