Home / 778,608.20-1,167,912.30-773,359.40

Finding the Fourth Proportional to 778,608.20, 1,167,912.30 and 773,359.40

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Solution

The fourth proportional to 778,608.20, 1,167,912.30 and 773,359.40 is: 1,160,039.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,608.20 : 1,167,912.30 = 773,359.40 : x
  2. Step 2: Convert to fraction form
    778,608.20/1,167,912.30 = 773,359.40/x
  3. Step 3: Cross multiply
    778,608.20x = 1,167,912.30 × 773,359.40
  4. Step 4: Simplify right side
    778,608.20x = 903,215,955,580.62
  5. Step 5: Solve for x
    x = 903,215,955,580.62/778,608.20
  6. Step 6: Final answer
    x = 1,160,039.10

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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.