Home / 886,054.20-1,329,073.38-278,888.31

Finding the Fourth Proportional to 886,054.20, 1,329,073.38 and 278,888.31

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Solution

The fourth proportional to 886,054.20, 1,329,073.38 and 278,888.31 is: 418,329.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,054.20 : 1,329,073.38 = 278,888.31 : x
  2. Step 2: Convert to fraction form
    886,054.20/1,329,073.38 = 278,888.31/x
  3. Step 3: Cross multiply
    886,054.20x = 1,329,073.38 × 278,888.31
  4. Step 4: Simplify right side
    886,054.20x = 370,663,028,814.19
  5. Step 5: Solve for x
    x = 370,663,028,814.19/886,054.20
  6. Step 6: Final answer
    x = 418,329.97

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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.