Home / 778,752.75-1,168,255.49-305,181.39

Finding the Fourth Proportional to 778,752.75, 1,168,255.49 and 305,181.39

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Solution

The fourth proportional to 778,752.75, 1,168,255.49 and 305,181.39 is: 457,821.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,752.75 : 1,168,255.49 = 305,181.39 : x
  2. Step 2: Convert to fraction form
    778,752.75/1,168,255.49 = 305,181.39/x
  3. Step 3: Cross multiply
    778,752.75x = 1,168,255.49 × 305,181.39
  4. Step 4: Simplify right side
    778,752.75x = 356,529,832,787.42
  5. Step 5: Solve for x
    x = 356,529,832,787.42/778,752.75
  6. Step 6: Final answer
    x = 457,821.60

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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.