Home / 787,260.16-1,180,908.48-281,855.68

Finding the Fourth Proportional to 787,260.16, 1,180,908.48 and 281,855.68

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Solution

The fourth proportional to 787,260.16, 1,180,908.48 and 281,855.68 is: 422,790.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,260.16 : 1,180,908.48 = 281,855.68 : x
  2. Step 2: Convert to fraction form
    787,260.16/1,180,908.48 = 281,855.68/x
  3. Step 3: Cross multiply
    787,260.16x = 1,180,908.48 × 281,855.68
  4. Step 4: Simplify right side
    787,260.16x = 332,845,762,648.17
  5. Step 5: Solve for x
    x = 332,845,762,648.17/787,260.16
  6. Step 6: Final answer
    x = 422,790.05

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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.