Home / 804,483.35-1,207,168.28-489,161.69

Finding the Fourth Proportional to 804,483.35, 1,207,168.28 and 489,161.69

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Solution

The fourth proportional to 804,483.35, 1,207,168.28 and 489,161.69 is: 734,012.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,483.35 : 1,207,168.28 = 489,161.69 : x
  2. Step 2: Convert to fraction form
    804,483.35/1,207,168.28 = 489,161.69/x
  3. Step 3: Cross multiply
    804,483.35x = 1,207,168.28 × 489,161.69
  4. Step 4: Simplify right side
    804,483.35x = 590,500,475,959.19
  5. Step 5: Solve for x
    x = 590,500,475,959.19/804,483.35
  6. Step 6: Final answer
    x = 734,012.05

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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.