Home / 711,214.92-1,066,928.49-261,901.26

Finding the Fourth Proportional to 711,214.92, 1,066,928.49 and 261,901.26

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Solution

The fourth proportional to 711,214.92, 1,066,928.49 and 261,901.26 is: 392,890.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,214.92 : 1,066,928.49 = 261,901.26 : x
  2. Step 2: Convert to fraction form
    711,214.92/1,066,928.49 = 261,901.26/x
  3. Step 3: Cross multiply
    711,214.92x = 1,066,928.49 × 261,901.26
  4. Step 4: Simplify right side
    711,214.92x = 279,429,915,860.90
  5. Step 5: Solve for x
    x = 279,429,915,860.90/711,214.92
  6. Step 6: Final answer
    x = 392,890.96

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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.