Home / 778,890.80-1,165,744.20-565,050.80

Finding the Fourth Proportional to 778,890.80, 1,165,744.20 and 565,050.80

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Solution

The fourth proportional to 778,890.80, 1,165,744.20 and 565,050.80 is: 845,695.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,890.80 : 1,165,744.20 = 565,050.80 : x
  2. Step 2: Convert to fraction form
    778,890.80/1,165,744.20 = 565,050.80/x
  3. Step 3: Cross multiply
    778,890.80x = 1,165,744.20 × 565,050.80
  4. Step 4: Simplify right side
    778,890.80x = 658,704,692,805.36
  5. Step 5: Solve for x
    x = 658,704,692,805.36/778,890.80
  6. Step 6: Final answer
    x = 845,695.82

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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.