Home / 804,484.35-1,207,169.78-489,162.69

Finding the Fourth Proportional to 804,484.35, 1,207,169.78 and 489,162.69

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Solution

The fourth proportional to 804,484.35, 1,207,169.78 and 489,162.69 is: 734,013.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,484.35 : 1,207,169.78 = 489,162.69 : x
  2. Step 2: Convert to fraction form
    804,484.35/1,207,169.78 = 489,162.69/x
  3. Step 3: Cross multiply
    804,484.35x = 1,207,169.78 × 489,162.69
  4. Step 4: Simplify right side
    804,484.35x = 590,502,416,871.51
  5. Step 5: Solve for x
    x = 590,502,416,871.51/804,484.35
  6. Step 6: Final answer
    x = 734,013.55

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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.