Home / 918,904.92-1,378,383.30-254,056.92

Finding the Fourth Proportional to 918,904.92, 1,378,383.30 and 254,056.92

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Solution

The fourth proportional to 918,904.92, 1,378,383.30 and 254,056.92 is: 381,092.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,904.92 : 1,378,383.30 = 254,056.92 : x
  2. Step 2: Convert to fraction form
    918,904.92/1,378,383.30 = 254,056.92/x
  3. Step 3: Cross multiply
    918,904.92x = 1,378,383.30 × 254,056.92
  4. Step 4: Simplify right side
    918,904.92x = 350,187,815,777.44
  5. Step 5: Solve for x
    x = 350,187,815,777.44/918,904.92
  6. Step 6: Final answer
    x = 381,092.55

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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.