Home / 589,747.80-884,427.30-215,722.20

Finding the Fourth Proportional to 589,747.80, 884,427.30 and 215,722.20

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Solution

The fourth proportional to 589,747.80, 884,427.30 and 215,722.20 is: 323,512.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,747.80 : 884,427.30 = 215,722.20 : x
  2. Step 2: Convert to fraction form
    589,747.80/884,427.30 = 215,722.20/x
  3. Step 3: Cross multiply
    589,747.80x = 884,427.30 × 215,722.20
  4. Step 4: Simplify right side
    589,747.80x = 190,790,602,896.06
  5. Step 5: Solve for x
    x = 190,790,602,896.06/589,747.80
  6. Step 6: Final answer
    x = 323,512.19

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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.