Home / 838,135.01-1,255,201.41-482,401.28

Finding the Fourth Proportional to 838,135.01, 1,255,201.41 and 482,401.28

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Solution

The fourth proportional to 838,135.01, 1,255,201.41 and 482,401.28 is: 722,450.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,135.01 : 1,255,201.41 = 482,401.28 : x
  2. Step 2: Convert to fraction form
    838,135.01/1,255,201.41 = 482,401.28/x
  3. Step 3: Cross multiply
    838,135.01x = 1,255,201.41 × 482,401.28
  4. Step 4: Simplify right side
    838,135.01x = 605,510,766,841.81
  5. Step 5: Solve for x
    x = 605,510,766,841.81/838,135.01
  6. Step 6: Final answer
    x = 722,450.15

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1.5x scale

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.