Home / 803,954.20-1,206,708.90-489,026.20

Finding the Fourth Proportional to 803,954.20, 1,206,708.90 and 489,026.20

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Solution

The fourth proportional to 803,954.20, 1,206,708.90 and 489,026.20 is: 734,012.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,954.20 : 1,206,708.90 = 489,026.20 : x
  2. Step 2: Convert to fraction form
    803,954.20/1,206,708.90 = 489,026.20/x
  3. Step 3: Cross multiply
    803,954.20x = 1,206,708.90 × 489,026.20
  4. Step 4: Simplify right side
    803,954.20x = 590,112,267,873.18
  5. Step 5: Solve for x
    x = 590,112,267,873.18/803,954.20
  6. Step 6: Final answer
    x = 734,012.30

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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.