Home / 560,736.90-773,789.88-318,996.72

Finding the Fourth Proportional to 560,736.90, 773,789.88 and 318,996.72

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Solution

The fourth proportional to 560,736.90, 773,789.88 and 318,996.72 is: 440,200.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,736.90 : 773,789.88 = 318,996.72 : x
  2. Step 2: Convert to fraction form
    560,736.90/773,789.88 = 318,996.72/x
  3. Step 3: Cross multiply
    560,736.90x = 773,789.88 × 318,996.72
  4. Step 4: Simplify right side
    560,736.90x = 246,836,433,689.19
  5. Step 5: Solve for x
    x = 246,836,433,689.19/560,736.90
  6. Step 6: Final answer
    x = 440,200.09

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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.