Home / 808,986.30-1,214,791.65-585,912.30

Finding the Fourth Proportional to 808,986.30, 1,214,791.65 and 585,912.30

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Solution

The fourth proportional to 808,986.30, 1,214,791.65 and 585,912.30 is: 879,818.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,986.30 : 1,214,791.65 = 585,912.30 : x
  2. Step 2: Convert to fraction form
    808,986.30/1,214,791.65 = 585,912.30/x
  3. Step 3: Cross multiply
    808,986.30x = 1,214,791.65 × 585,912.30
  4. Step 4: Simplify right side
    808,986.30x = 711,761,369,672.30
  5. Step 5: Solve for x
    x = 711,761,369,672.30/808,986.30
  6. Step 6: Final answer
    x = 879,818.82

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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.