Home / 560,028.72-772,986.96-318,452.88

Finding the Fourth Proportional to 560,028.72, 772,986.96 and 318,452.88

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Solution

The fourth proportional to 560,028.72, 772,986.96 and 318,452.88 is: 439,548.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,028.72 : 772,986.96 = 318,452.88 : x
  2. Step 2: Convert to fraction form
    560,028.72/772,986.96 = 318,452.88/x
  3. Step 3: Cross multiply
    560,028.72x = 772,986.96 × 318,452.88
  4. Step 4: Simplify right side
    560,028.72x = 246,159,923,614.45
  5. Step 5: Solve for x
    x = 246,159,923,614.45/560,028.72
  6. Step 6: Final answer
    x = 439,548.75

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1.5x scale

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.