Home / 782,778.78-1,173,798.04-303,231.19

Finding the Fourth Proportional to 782,778.78, 1,173,798.04 and 303,231.19

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Solution

The fourth proportional to 782,778.78, 1,173,798.04 and 303,231.19 is: 454,703.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,778.78 : 1,173,798.04 = 303,231.19 : x
  2. Step 2: Convert to fraction form
    782,778.78/1,173,798.04 = 303,231.19/x
  3. Step 3: Cross multiply
    782,778.78x = 1,173,798.04 × 303,231.19
  4. Step 4: Simplify right side
    782,778.78x = 355,932,176,488.87
  5. Step 5: Solve for x
    x = 355,932,176,488.87/782,778.78
  6. Step 6: Final answer
    x = 454,703.40

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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.