Home / 674,369.04-1,012,052.48-319,383.71

Finding the Fourth Proportional to 674,369.04, 1,012,052.48 and 319,383.71

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Solution

The fourth proportional to 674,369.04, 1,012,052.48 and 319,383.71 is: 479,311.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,369.04 : 1,012,052.48 = 319,383.71 : x
  2. Step 2: Convert to fraction form
    674,369.04/1,012,052.48 = 319,383.71/x
  3. Step 3: Cross multiply
    674,369.04x = 1,012,052.48 × 319,383.71
  4. Step 4: Simplify right side
    674,369.04x = 323,233,072,915.12
  5. Step 5: Solve for x
    x = 323,233,072,915.12/674,369.04
  6. Step 6: Final answer
    x = 479,311.85

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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.