Home / 778,747.80-1,165,529.70-564,907.80

Finding the Fourth Proportional to 778,747.80, 1,165,529.70 and 564,907.80

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Solution

The fourth proportional to 778,747.80, 1,165,529.70 and 564,907.80 is: 845,481.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,747.80 : 1,165,529.70 = 564,907.80 : x
  2. Step 2: Convert to fraction form
    778,747.80/1,165,529.70 = 564,907.80/x
  3. Step 3: Cross multiply
    778,747.80x = 1,165,529.70 × 564,907.80
  4. Step 4: Simplify right side
    778,747.80x = 658,416,818,661.66
  5. Step 5: Solve for x
    x = 658,416,818,661.66/778,747.80
  6. Step 6: Final answer
    x = 845,481.45

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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.