Home / 711,490.05-1,067,309.91-231,755.28

Finding the Fourth Proportional to 711,490.05, 1,067,309.91 and 231,755.28

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Solution

The fourth proportional to 711,490.05, 1,067,309.91 and 231,755.28 is: 347,657.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,490.05 : 1,067,309.91 = 231,755.28 : x
  2. Step 2: Convert to fraction form
    711,490.05/1,067,309.91 = 231,755.28/x
  3. Step 3: Cross multiply
    711,490.05x = 1,067,309.91 × 231,755.28
  4. Step 4: Simplify right side
    711,490.05x = 247,354,707,038.83
  5. Step 5: Solve for x
    x = 247,354,707,038.83/711,490.05
  6. Step 6: Final answer
    x = 347,657.30

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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.