Home / 809,617.70-1,214,426.55-248,579.30

Finding the Fourth Proportional to 809,617.70, 1,214,426.55 and 248,579.30

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Solution

The fourth proportional to 809,617.70, 1,214,426.55 and 248,579.30 is: 372,868.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,617.70 : 1,214,426.55 = 248,579.30 : x
  2. Step 2: Convert to fraction form
    809,617.70/1,214,426.55 = 248,579.30/x
  3. Step 3: Cross multiply
    809,617.70x = 1,214,426.55 × 248,579.30
  4. Step 4: Simplify right side
    809,617.70x = 301,881,301,700.42
  5. Step 5: Solve for x
    x = 301,881,301,700.42/809,617.70
  6. Step 6: Final answer
    x = 372,868.95

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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.