Home / 814,267.42-1,221,484.96-281,787.60

Finding the Fourth Proportional to 814,267.42, 1,221,484.96 and 281,787.60

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Solution

The fourth proportional to 814,267.42, 1,221,484.96 and 281,787.60 is: 422,710.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,267.42 : 1,221,484.96 = 281,787.60 : x
  2. Step 2: Convert to fraction form
    814,267.42/1,221,484.96 = 281,787.60/x
  3. Step 3: Cross multiply
    814,267.42x = 1,221,484.96 × 281,787.60
  4. Step 4: Simplify right side
    814,267.42x = 344,199,315,314.50
  5. Step 5: Solve for x
    x = 344,199,315,314.50/814,267.42
  6. Step 6: Final answer
    x = 422,710.41

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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.