Home / 559,938.20-772,734.15-318,230.96

Finding the Fourth Proportional to 559,938.20, 772,734.15 and 318,230.96

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Solution

The fourth proportional to 559,938.20, 772,734.15 and 318,230.96 is: 439,169.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,938.20 : 772,734.15 = 318,230.96 : x
  2. Step 2: Convert to fraction form
    559,938.20/772,734.15 = 318,230.96/x
  3. Step 3: Cross multiply
    559,938.20x = 772,734.15 × 318,230.96
  4. Step 4: Simplify right side
    559,938.20x = 245,907,926,515.61
  5. Step 5: Solve for x
    x = 245,907,926,515.61/559,938.20
  6. Step 6: Final answer
    x = 439,169.77

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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.