Home / 812,022.60-1,217,918.70-251,113.80

Finding the Fourth Proportional to 812,022.60, 1,217,918.70 and 251,113.80

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Solution

The fourth proportional to 812,022.60, 1,217,918.70 and 251,113.80 is: 376,635.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,022.60 : 1,217,918.70 = 251,113.80 : x
  2. Step 2: Convert to fraction form
    812,022.60/1,217,918.70 = 251,113.80/x
  3. Step 3: Cross multiply
    812,022.60x = 1,217,918.70 × 251,113.80
  4. Step 4: Simplify right side
    812,022.60x = 305,836,192,848.06
  5. Step 5: Solve for x
    x = 305,836,192,848.06/812,022.60
  6. Step 6: Final answer
    x = 376,635.07

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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.