Home / 842,671.80-1,264,007.70-281,633.40

Finding the Fourth Proportional to 842,671.80, 1,264,007.70 and 281,633.40

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Solution

The fourth proportional to 842,671.80, 1,264,007.70 and 281,633.40 is: 422,450.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,671.80 : 1,264,007.70 = 281,633.40 : x
  2. Step 2: Convert to fraction form
    842,671.80/1,264,007.70 = 281,633.40/x
  3. Step 3: Cross multiply
    842,671.80x = 1,264,007.70 × 281,633.40
  4. Step 4: Simplify right side
    842,671.80x = 355,986,786,177.18
  5. Step 5: Solve for x
    x = 355,986,786,177.18/842,671.80
  6. Step 6: Final answer
    x = 422,450.10

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Similar ratio
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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.