Home / 806,942.28-1,210,572.72-238,333.08

Finding the Fourth Proportional to 806,942.28, 1,210,572.72 and 238,333.08

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Solution

The fourth proportional to 806,942.28, 1,210,572.72 and 238,333.08 is: 357,546.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,942.28 : 1,210,572.72 = 238,333.08 : x
  2. Step 2: Convert to fraction form
    806,942.28/1,210,572.72 = 238,333.08/x
  3. Step 3: Cross multiply
    806,942.28x = 1,210,572.72 × 238,333.08
  4. Step 4: Simplify right side
    806,942.28x = 288,519,524,921.58
  5. Step 5: Solve for x
    x = 288,519,524,921.58/806,942.28
  6. Step 6: Final answer
    x = 357,546.67

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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.