Home / 815,943.04-1,222,559.70-499,735.24

Finding the Fourth Proportional to 815,943.04, 1,222,559.70 and 499,735.24

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Solution

The fourth proportional to 815,943.04, 1,222,559.70 and 499,735.24 is: 748,773.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,943.04 : 1,222,559.70 = 499,735.24 : x
  2. Step 2: Convert to fraction form
    815,943.04/1,222,559.70 = 499,735.24/x
  3. Step 3: Cross multiply
    815,943.04x = 1,222,559.70 × 499,735.24
  4. Step 4: Simplify right side
    815,943.04x = 610,956,165,093.83
  5. Step 5: Solve for x
    x = 610,956,165,093.83/815,943.04
  6. Step 6: Final answer
    x = 748,773.06

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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.