Home / 689,189.47-1,033,849.03-202,871.93

Finding the Fourth Proportional to 689,189.47, 1,033,849.03 and 202,871.93

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Solution

The fourth proportional to 689,189.47, 1,033,849.03 and 202,871.93 is: 304,326.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,189.47 : 1,033,849.03 = 202,871.93 : x
  2. Step 2: Convert to fraction form
    689,189.47/1,033,849.03 = 202,871.93/x
  3. Step 3: Cross multiply
    689,189.47x = 1,033,849.03 × 202,871.93
  4. Step 4: Simplify right side
    689,189.47x = 209,738,951,148.11
  5. Step 5: Solve for x
    x = 209,738,951,148.11/689,189.47
  6. Step 6: Final answer
    x = 304,326.98

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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.