Home / 906,856.80-1,360,227.60-307,816.80

Finding the Fourth Proportional to 906,856.80, 1,360,227.60 and 307,816.80

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Solution

The fourth proportional to 906,856.80, 1,360,227.60 and 307,816.80 is: 461,705.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,856.80 : 1,360,227.60 = 307,816.80 : x
  2. Step 2: Convert to fraction form
    906,856.80/1,360,227.60 = 307,816.80/x
  3. Step 3: Cross multiply
    906,856.80x = 1,360,227.60 × 307,816.80
  4. Step 4: Simplify right side
    906,856.80x = 418,700,907,103.68
  5. Step 5: Solve for x
    x = 418,700,907,103.68/906,856.80
  6. Step 6: Final answer
    x = 461,705.65

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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.