Home / 702,715.40-1,054,069.61-170,236.49

Finding the Fourth Proportional to 702,715.40, 1,054,069.61 and 170,236.49

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Solution

The fourth proportional to 702,715.40, 1,054,069.61 and 170,236.49 is: 255,353.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,715.40 : 1,054,069.61 = 170,236.49 : x
  2. Step 2: Convert to fraction form
    702,715.40/1,054,069.61 = 170,236.49/x
  3. Step 3: Cross multiply
    702,715.40x = 1,054,069.61 × 170,236.49
  4. Step 4: Simplify right side
    702,715.40x = 179,441,104,500.54
  5. Step 5: Solve for x
    x = 179,441,104,500.54/702,715.40
  6. Step 6: Final answer
    x = 255,353.88

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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.