Home / 979,842.56-1,469,191.80-380,102.92

Finding the Fourth Proportional to 979,842.56, 1,469,191.80 and 380,102.92

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Solution

The fourth proportional to 979,842.56, 1,469,191.80 and 380,102.92 is: 569,932.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,842.56 : 1,469,191.80 = 380,102.92 : x
  2. Step 2: Convert to fraction form
    979,842.56/1,469,191.80 = 380,102.92/x
  3. Step 3: Cross multiply
    979,842.56x = 1,469,191.80 × 380,102.92
  4. Step 4: Simplify right side
    979,842.56x = 558,444,093,220.06
  5. Step 5: Solve for x
    x = 558,444,093,220.06/979,842.56
  6. Step 6: Final answer
    x = 569,932.47

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1.5x scale

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.