Home / 979,850.46-1,469,203.65-380,110.83

Finding the Fourth Proportional to 979,850.46, 1,469,203.65 and 380,110.83

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Solution

The fourth proportional to 979,850.46, 1,469,203.65 and 380,110.83 is: 569,944.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,850.46 : 1,469,203.65 = 380,110.83 : x
  2. Step 2: Convert to fraction form
    979,850.46/1,469,203.65 = 380,110.83/x
  3. Step 3: Cross multiply
    979,850.46x = 1,469,203.65 × 380,110.83
  4. Step 4: Simplify right side
    979,850.46x = 558,460,218,840.53
  5. Step 5: Solve for x
    x = 558,460,218,840.53/979,850.46
  6. Step 6: Final answer
    x = 569,944.34

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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.