Home / 807,501.56-1,211,439.71-275,027.20

Finding the Fourth Proportional to 807,501.56, 1,211,439.71 and 275,027.20

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Solution

The fourth proportional to 807,501.56, 1,211,439.71 and 275,027.20 is: 412,604.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,501.56 : 1,211,439.71 = 275,027.20 : x
  2. Step 2: Convert to fraction form
    807,501.56/1,211,439.71 = 275,027.20/x
  3. Step 3: Cross multiply
    807,501.56x = 1,211,439.71 × 275,027.20
  4. Step 4: Simplify right side
    807,501.56x = 333,178,869,069.08
  5. Step 5: Solve for x
    x = 333,178,869,069.08/807,501.56
  6. Step 6: Final answer
    x = 412,604.62

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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.