Home / 724,844.32-1,086,786.65-345,823.56

Finding the Fourth Proportional to 724,844.32, 1,086,786.65 and 345,823.56

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Solution

The fourth proportional to 724,844.32, 1,086,786.65 and 345,823.56 is: 518,506.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,844.32 : 1,086,786.65 = 345,823.56 : x
  2. Step 2: Convert to fraction form
    724,844.32/1,086,786.65 = 345,823.56/x
  3. Step 3: Cross multiply
    724,844.32x = 1,086,786.65 × 345,823.56
  4. Step 4: Simplify right side
    724,844.32x = 375,836,429,128.03
  5. Step 5: Solve for x
    x = 375,836,429,128.03/724,844.32
  6. Step 6: Final answer
    x = 518,506.42

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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.