Home / 778,856.80-1,165,693.20-565,016.80

Finding the Fourth Proportional to 778,856.80, 1,165,693.20 and 565,016.80

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Solution

The fourth proportional to 778,856.80, 1,165,693.20 and 565,016.80 is: 845,644.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,856.80 : 1,165,693.20 = 565,016.80 : x
  2. Step 2: Convert to fraction form
    778,856.80/1,165,693.20 = 565,016.80/x
  3. Step 3: Cross multiply
    778,856.80x = 1,165,693.20 × 565,016.80
  4. Step 4: Simplify right side
    778,856.80x = 658,636,241,645.76
  5. Step 5: Solve for x
    x = 658,636,241,645.76/778,856.80
  6. Step 6: Final answer
    x = 845,644.85

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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.