Home / 778,771.80-1,168,279.20-246,242.16

Finding the Fourth Proportional to 778,771.80, 1,168,279.20 and 246,242.16

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Solution

The fourth proportional to 778,771.80, 1,168,279.20 and 246,242.16 is: 369,401.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,771.80 : 1,168,279.20 = 246,242.16 : x
  2. Step 2: Convert to fraction form
    778,771.80/1,168,279.20 = 246,242.16/x
  3. Step 3: Cross multiply
    778,771.80x = 1,168,279.20 × 246,242.16
  4. Step 4: Simplify right side
    778,771.80x = 287,679,593,691.07
  5. Step 5: Solve for x
    x = 287,679,593,691.07/778,771.80
  6. Step 6: Final answer
    x = 369,401.66

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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.