Home / 741,823.56-1,112,579.65-209,220.04

Finding the Fourth Proportional to 741,823.56, 1,112,579.65 and 209,220.04

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Solution

The fourth proportional to 741,823.56, 1,112,579.65 and 209,220.04 is: 313,786.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,823.56 : 1,112,579.65 = 209,220.04 : x
  2. Step 2: Convert to fraction form
    741,823.56/1,112,579.65 = 209,220.04/x
  3. Step 3: Cross multiply
    741,823.56x = 1,112,579.65 × 209,220.04
  4. Step 4: Simplify right side
    741,823.56x = 232,773,956,356.26
  5. Step 5: Solve for x
    x = 232,773,956,356.26/741,823.56
  6. Step 6: Final answer
    x = 313,786.15

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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.