Home / 818,015.04-1,227,088.18-285,524.28

Finding the Fourth Proportional to 818,015.04, 1,227,088.18 and 285,524.28

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Solution

The fourth proportional to 818,015.04, 1,227,088.18 and 285,524.28 is: 428,309.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,015.04 : 1,227,088.18 = 285,524.28 : x
  2. Step 2: Convert to fraction form
    818,015.04/1,227,088.18 = 285,524.28/x
  3. Step 3: Cross multiply
    818,015.04x = 1,227,088.18 × 285,524.28
  4. Step 4: Simplify right side
    818,015.04x = 350,363,469,091.01
  5. Step 5: Solve for x
    x = 350,363,469,091.01/818,015.04
  6. Step 6: Final answer
    x = 428,309.32

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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.