Home / 778,219.26-1,167,364.72-238,436.88

Finding the Fourth Proportional to 778,219.26, 1,167,364.72 and 238,436.88

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Solution

The fourth proportional to 778,219.26, 1,167,364.72 and 238,436.88 is: 357,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,219.26 : 1,167,364.72 = 238,436.88 : x
  2. Step 2: Convert to fraction form
    778,219.26/1,167,364.72 = 238,436.88/x
  3. Step 3: Cross multiply
    778,219.26x = 1,167,364.72 × 238,436.88
  4. Step 4: Simplify right side
    778,219.26x = 278,342,801,658.87
  5. Step 5: Solve for x
    x = 278,342,801,658.87/778,219.26
  6. Step 6: Final answer
    x = 357,666.30

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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.