Home / 674,383.01-1,012,073.57-319,397.87

Finding the Fourth Proportional to 674,383.01, 1,012,073.57 and 319,397.87

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Solution

The fourth proportional to 674,383.01, 1,012,073.57 and 319,397.87 is: 479,333.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,383.01 : 1,012,073.57 = 319,397.87 : x
  2. Step 2: Convert to fraction form
    674,383.01/1,012,073.57 = 319,397.87/x
  3. Step 3: Cross multiply
    674,383.01x = 1,012,073.57 × 319,397.87
  4. Step 4: Simplify right side
    674,383.01x = 323,254,144,672.23
  5. Step 5: Solve for x
    x = 323,254,144,672.23/674,383.01
  6. Step 6: Final answer
    x = 479,333.17

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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.