Home / 711,417.87-1,067,048.19-178,939.11

Finding the Fourth Proportional to 711,417.87, 1,067,048.19 and 178,939.11

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Solution

The fourth proportional to 711,417.87, 1,067,048.19 and 178,939.11 is: 268,388.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,417.87 : 1,067,048.19 = 178,939.11 : x
  2. Step 2: Convert to fraction form
    711,417.87/1,067,048.19 = 178,939.11/x
  3. Step 3: Cross multiply
    711,417.87x = 1,067,048.19 × 178,939.11
  4. Step 4: Simplify right side
    711,417.87x = 190,936,653,445.71
  5. Step 5: Solve for x
    x = 190,936,653,445.71/711,417.87
  6. Step 6: Final answer
    x = 268,388.89

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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.