Home / 728,508.80-1,093,713.54-489,692.52

Finding the Fourth Proportional to 728,508.80, 1,093,713.54 and 489,692.52

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Solution

The fourth proportional to 728,508.80, 1,093,713.54 and 489,692.52 is: 735,177.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,508.80 : 1,093,713.54 = 489,692.52 : x
  2. Step 2: Convert to fraction form
    728,508.80/1,093,713.54 = 489,692.52/x
  3. Step 3: Cross multiply
    728,508.80x = 1,093,713.54 × 489,692.52
  4. Step 4: Simplify right side
    728,508.80x = 535,583,337,724.37
  5. Step 5: Solve for x
    x = 535,583,337,724.37/728,508.80
  6. Step 6: Final answer
    x = 735,177.58

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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.