Home / 875,912.56-1,313,868.84-211,064.56

Finding the Fourth Proportional to 875,912.56, 1,313,868.84 and 211,064.56

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Solution

The fourth proportional to 875,912.56, 1,313,868.84 and 211,064.56 is: 316,596.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,912.56 : 1,313,868.84 = 211,064.56 : x
  2. Step 2: Convert to fraction form
    875,912.56/1,313,868.84 = 211,064.56/x
  3. Step 3: Cross multiply
    875,912.56x = 1,313,868.84 × 211,064.56
  4. Step 4: Simplify right side
    875,912.56x = 277,311,148,612.31
  5. Step 5: Solve for x
    x = 277,311,148,612.31/875,912.56
  6. Step 6: Final answer
    x = 316,596.84

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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.