Home / 840,524.11-1,260,037.22-307,920.56

Finding the Fourth Proportional to 840,524.11, 1,260,037.22 and 307,920.56

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Solution

The fourth proportional to 840,524.11, 1,260,037.22 and 307,920.56 is: 461,606.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,524.11 : 1,260,037.22 = 307,920.56 : x
  2. Step 2: Convert to fraction form
    840,524.11/1,260,037.22 = 307,920.56/x
  3. Step 3: Cross multiply
    840,524.11x = 1,260,037.22 × 307,920.56
  4. Step 4: Simplify right side
    840,524.11x = 387,991,358,563.45
  5. Step 5: Solve for x
    x = 387,991,358,563.45/840,524.11
  6. Step 6: Final answer
    x = 461,606.46

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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.