Home / 778,223.30-1,167,370.72-238,440.92

Finding the Fourth Proportional to 778,223.30, 1,167,370.72 and 238,440.92

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Solution

The fourth proportional to 778,223.30, 1,167,370.72 and 238,440.92 is: 357,672.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,223.30 : 1,167,370.72 = 238,440.92 : x
  2. Step 2: Convert to fraction form
    778,223.30/1,167,370.72 = 238,440.92/x
  3. Step 3: Cross multiply
    778,223.30x = 1,167,370.72 × 238,440.92
  4. Step 4: Simplify right side
    778,223.30x = 278,348,942,024.91
  5. Step 5: Solve for x
    x = 278,348,942,024.91/778,223.30
  6. Step 6: Final answer
    x = 357,672.33

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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.