Home / 559,968.12-772,736.76-318,246.48

Finding the Fourth Proportional to 559,968.12, 772,736.76 and 318,246.48

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Solution

The fourth proportional to 559,968.12, 772,736.76 and 318,246.48 is: 439,169.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,968.12 : 772,736.76 = 318,246.48 : x
  2. Step 2: Convert to fraction form
    559,968.12/772,736.76 = 318,246.48/x
  3. Step 3: Cross multiply
    559,968.12x = 772,736.76 × 318,246.48
  4. Step 4: Simplify right side
    559,968.12x = 245,920,753,836.61
  5. Step 5: Solve for x
    x = 245,920,753,836.61/559,968.12
  6. Step 6: Final answer
    x = 439,169.20

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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.