Home / 804,482.35-1,207,166.78-489,160.69

Finding the Fourth Proportional to 804,482.35, 1,207,166.78 and 489,160.69

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Solution

The fourth proportional to 804,482.35, 1,207,166.78 and 489,160.69 is: 734,010.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,482.35 : 1,207,166.78 = 489,160.69 : x
  2. Step 2: Convert to fraction form
    804,482.35/1,207,166.78 = 489,160.69/x
  3. Step 3: Cross multiply
    804,482.35x = 1,207,166.78 × 489,160.69
  4. Step 4: Simplify right side
    804,482.35x = 590,498,532,604.08
  5. Step 5: Solve for x
    x = 590,498,532,604.08/804,482.35
  6. Step 6: Final answer
    x = 734,010.55

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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.