Home / 818,812.50-1,228,439.88-250,178.10

Finding the Fourth Proportional to 818,812.50, 1,228,439.88 and 250,178.10

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Solution

The fourth proportional to 818,812.50, 1,228,439.88 and 250,178.10 is: 375,334.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,812.50 : 1,228,439.88 = 250,178.10 : x
  2. Step 2: Convert to fraction form
    818,812.50/1,228,439.88 = 250,178.10/x
  3. Step 3: Cross multiply
    818,812.50x = 1,228,439.88 × 250,178.10
  4. Step 4: Simplify right side
    818,812.50x = 307,328,751,239.60
  5. Step 5: Solve for x
    x = 307,328,751,239.60/818,812.50
  6. Step 6: Final answer
    x = 375,334.71

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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.