Home / 724,348.44-1,087,589.25-405,125.64

Finding the Fourth Proportional to 724,348.44, 1,087,589.25 and 405,125.64

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Solution

The fourth proportional to 724,348.44, 1,087,589.25 and 405,125.64 is: 608,285.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,348.44 : 1,087,589.25 = 405,125.64 : x
  2. Step 2: Convert to fraction form
    724,348.44/1,087,589.25 = 405,125.64/x
  3. Step 3: Cross multiply
    724,348.44x = 1,087,589.25 × 405,125.64
  4. Step 4: Simplify right side
    724,348.44x = 440,610,290,963.37
  5. Step 5: Solve for x
    x = 440,610,290,963.37/724,348.44
  6. Step 6: Final answer
    x = 608,285.00

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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.