Home / 460,606.06-690,384.97-280,293.81

Finding the Fourth Proportional to 460,606.06, 690,384.97 and 280,293.81

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Solution

The fourth proportional to 460,606.06, 690,384.97 and 280,293.81 is: 420,121.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,606.06 : 690,384.97 = 280,293.81 : x
  2. Step 2: Convert to fraction form
    460,606.06/690,384.97 = 280,293.81/x
  3. Step 3: Cross multiply
    460,606.06x = 690,384.97 × 280,293.81
  4. Step 4: Simplify right side
    460,606.06x = 193,510,633,608.04
  5. Step 5: Solve for x
    x = 193,510,633,608.04/460,606.06
  6. Step 6: Final answer
    x = 420,121.77

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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.