Home / 674,348.69-1,012,022.10-319,363.56

Finding the Fourth Proportional to 674,348.69, 1,012,022.10 and 319,363.56

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Solution

The fourth proportional to 674,348.69, 1,012,022.10 and 319,363.56 is: 479,281.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,348.69 : 1,012,022.10 = 319,363.56 : x
  2. Step 2: Convert to fraction form
    674,348.69/1,012,022.10 = 319,363.56/x
  3. Step 3: Cross multiply
    674,348.69x = 1,012,022.10 × 319,363.56
  4. Step 4: Simplify right side
    674,348.69x = 323,202,980,654.68
  5. Step 5: Solve for x
    x = 323,202,980,654.68/674,348.69
  6. Step 6: Final answer
    x = 479,281.69

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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.