Home / 674,453.89-1,012,179.74-319,468.69

Finding the Fourth Proportional to 674,453.89, 1,012,179.74 and 319,468.69

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Solution

The fourth proportional to 674,453.89, 1,012,179.74 and 319,468.69 is: 479,439.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,453.89 : 1,012,179.74 = 319,468.69 : x
  2. Step 2: Convert to fraction form
    674,453.89/1,012,179.74 = 319,468.69/x
  3. Step 3: Cross multiply
    674,453.89x = 1,012,179.74 × 319,468.69
  4. Step 4: Simplify right side
    674,453.89x = 323,359,735,582.34
  5. Step 5: Solve for x
    x = 323,359,735,582.34/674,453.89
  6. Step 6: Final answer
    x = 479,439.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.