Home / 808,527.70-1,212,912.60-261,237.16

Finding the Fourth Proportional to 808,527.70, 1,212,912.60 and 261,237.16

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Solution

The fourth proportional to 808,527.70, 1,212,912.60 and 261,237.16 is: 391,894.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,527.70 : 1,212,912.60 = 261,237.16 : x
  2. Step 2: Convert to fraction form
    808,527.70/1,212,912.60 = 261,237.16/x
  3. Step 3: Cross multiply
    808,527.70x = 1,212,912.60 × 261,237.16
  4. Step 4: Simplify right side
    808,527.70x = 316,857,842,952.22
  5. Step 5: Solve for x
    x = 316,857,842,952.22/808,527.70
  6. Step 6: Final answer
    x = 391,894.85

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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.