Home / 840,079.36-1,260,000.78-241,091.92

Finding the Fourth Proportional to 840,079.36, 1,260,000.78 and 241,091.92

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Solution

The fourth proportional to 840,079.36, 1,260,000.78 and 241,091.92 is: 361,603.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,079.36 : 1,260,000.78 = 241,091.92 : x
  2. Step 2: Convert to fraction form
    840,079.36/1,260,000.78 = 241,091.92/x
  3. Step 3: Cross multiply
    840,079.36x = 1,260,000.78 × 241,091.92
  4. Step 4: Simplify right side
    840,079.36x = 303,776,007,251.70
  5. Step 5: Solve for x
    x = 303,776,007,251.70/840,079.36
  6. Step 6: Final answer
    x = 361,603.94

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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.