Home / 724,138.08-1,086,302.46-268,667.31

Finding the Fourth Proportional to 724,138.08, 1,086,302.46 and 268,667.31

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Solution

The fourth proportional to 724,138.08, 1,086,302.46 and 268,667.31 is: 403,036.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,138.08 : 1,086,302.46 = 268,667.31 : x
  2. Step 2: Convert to fraction form
    724,138.08/1,086,302.46 = 268,667.31/x
  3. Step 3: Cross multiply
    724,138.08x = 1,086,302.46 × 268,667.31
  4. Step 4: Simplify right side
    724,138.08x = 291,853,959,774.58
  5. Step 5: Solve for x
    x = 291,853,959,774.58/724,138.08
  6. Step 6: Final answer
    x = 403,036.34

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1.5x scale

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.