Home / 778,740.44-1,168,178.69-217,776.56

Finding the Fourth Proportional to 778,740.44, 1,168,178.69 and 217,776.56

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Solution

The fourth proportional to 778,740.44, 1,168,178.69 and 217,776.56 is: 326,683.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,740.44 : 1,168,178.69 = 217,776.56 : x
  2. Step 2: Convert to fraction form
    778,740.44/1,168,178.69 = 217,776.56/x
  3. Step 3: Cross multiply
    778,740.44x = 1,168,178.69 × 217,776.56
  4. Step 4: Simplify right side
    778,740.44x = 254,401,931,277.05
  5. Step 5: Solve for x
    x = 254,401,931,277.05/778,740.44
  6. Step 6: Final answer
    x = 326,683.86

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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.