Home / 818,768.40-1,229,074.20-632,605.20

Finding the Fourth Proportional to 818,768.40, 1,229,074.20 and 632,605.20

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Solution

The fourth proportional to 818,768.40, 1,229,074.20 and 632,605.20 is: 949,619.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,768.40 : 1,229,074.20 = 632,605.20 : x
  2. Step 2: Convert to fraction form
    818,768.40/1,229,074.20 = 632,605.20/x
  3. Step 3: Cross multiply
    818,768.40x = 1,229,074.20 × 632,605.20
  4. Step 4: Simplify right side
    818,768.40x = 777,518,730,105.84
  5. Step 5: Solve for x
    x = 777,518,730,105.84/818,768.40
  6. Step 6: Final answer
    x = 949,619.86

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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.