Home / 711,414.78-1,067,124-290,690.66

Finding the Fourth Proportional to 711,414.78, 1,067,124 and 290,690.66

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Solution

The fourth proportional to 711,414.78, 1,067,124 and 290,690.66 is: 436,036.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,414.78 : 1,067,124 = 290,690.66 : x
  2. Step 2: Convert to fraction form
    711,414.78/1,067,124 = 290,690.66/x
  3. Step 3: Cross multiply
    711,414.78x = 1,067,124 × 290,690.66
  4. Step 4: Simplify right side
    711,414.78x = 310,202,974,526.22
  5. Step 5: Solve for x
    x = 310,202,974,526.22/711,414.78
  6. Step 6: Final answer
    x = 436,036.73

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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.