Home / 759,207.56-1,138,656.42-279,270.41

Finding the Fourth Proportional to 759,207.56, 1,138,656.42 and 279,270.41

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Solution

The fourth proportional to 759,207.56, 1,138,656.42 and 279,270.41 is: 418,848.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,207.56 : 1,138,656.42 = 279,270.41 : x
  2. Step 2: Convert to fraction form
    759,207.56/1,138,656.42 = 279,270.41/x
  3. Step 3: Cross multiply
    759,207.56x = 1,138,656.42 × 279,270.41
  4. Step 4: Simplify right side
    759,207.56x = 317,993,039,569.25
  5. Step 5: Solve for x
    x = 317,993,039,569.25/759,207.56
  6. Step 6: Final answer
    x = 418,848.62

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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.