Home / 868,303.72-1,302,577.89-269,313.58

Finding the Fourth Proportional to 868,303.72, 1,302,577.89 and 269,313.58

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Solution

The fourth proportional to 868,303.72, 1,302,577.89 and 269,313.58 is: 404,008.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,303.72 : 1,302,577.89 = 269,313.58 : x
  2. Step 2: Convert to fraction form
    868,303.72/1,302,577.89 = 269,313.58/x
  3. Step 3: Cross multiply
    868,303.72x = 1,302,577.89 × 269,313.58
  4. Step 4: Simplify right side
    868,303.72x = 350,801,914,784.75
  5. Step 5: Solve for x
    x = 350,801,914,784.75/868,303.72
  6. Step 6: Final answer
    x = 404,008.31

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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.