Home / 787,220.16-1,180,848.24-281,815.68

Finding the Fourth Proportional to 787,220.16, 1,180,848.24 and 281,815.68

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Solution

The fourth proportional to 787,220.16, 1,180,848.24 and 281,815.68 is: 422,729.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,220.16 : 1,180,848.24 = 281,815.68 : x
  2. Step 2: Convert to fraction form
    787,220.16/1,180,848.24 = 281,815.68/x
  3. Step 3: Cross multiply
    787,220.16x = 1,180,848.24 × 281,815.68
  4. Step 4: Simplify right side
    787,220.16x = 332,781,549,732.40
  5. Step 5: Solve for x
    x = 332,781,549,732.40/787,220.16
  6. Step 6: Final answer
    x = 422,729.96

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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.