Home / 454,268.94-626,631.03-284,207.82

Finding the Fourth Proportional to 454,268.94, 626,631.03 and 284,207.82

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Solution

The fourth proportional to 454,268.94, 626,631.03 and 284,207.82 is: 392,044.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,268.94 : 626,631.03 = 284,207.82 : x
  2. Step 2: Convert to fraction form
    454,268.94/626,631.03 = 284,207.82/x
  3. Step 3: Cross multiply
    454,268.94x = 626,631.03 × 284,207.82
  4. Step 4: Simplify right side
    454,268.94x = 178,093,438,980.66
  5. Step 5: Solve for x
    x = 178,093,438,980.66/454,268.94
  6. Step 6: Final answer
    x = 392,044.06

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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.