Home / 741,139.35-1,111,774.65-208,665

Finding the Fourth Proportional to 741,139.35, 1,111,774.65 and 208,665

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Solution

The fourth proportional to 741,139.35, 1,111,774.65 and 208,665 is: 313,015.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,139.35 : 1,111,774.65 = 208,665 : x
  2. Step 2: Convert to fraction form
    741,139.35/1,111,774.65 = 208,665/x
  3. Step 3: Cross multiply
    741,139.35x = 1,111,774.65 × 208,665
  4. Step 4: Simplify right side
    741,139.35x = 231,988,457,342.25
  5. Step 5: Solve for x
    x = 231,988,457,342.25/741,139.35
  6. Step 6: Final answer
    x = 313,015.98

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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.