Home / 711,404.66-1,067,108.81-290,680.53

Finding the Fourth Proportional to 711,404.66, 1,067,108.81 and 290,680.53

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Solution

The fourth proportional to 711,404.66, 1,067,108.81 and 290,680.53 is: 436,021.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,404.66 : 1,067,108.81 = 290,680.53 : x
  2. Step 2: Convert to fraction form
    711,404.66/1,067,108.81 = 290,680.53/x
  3. Step 3: Cross multiply
    711,404.66x = 1,067,108.81 × 290,680.53
  4. Step 4: Simplify right side
    711,404.66x = 310,187,753,005.07
  5. Step 5: Solve for x
    x = 310,187,753,005.07/711,404.66
  6. Step 6: Final answer
    x = 436,021.54

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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.