Home / 741,257.21-1,111,975.79-208,778.24

Finding the Fourth Proportional to 741,257.21, 1,111,975.79 and 208,778.24

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Solution

The fourth proportional to 741,257.21, 1,111,975.79 and 208,778.24 is: 313,192.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,257.21 : 1,111,975.79 = 208,778.24 : x
  2. Step 2: Convert to fraction form
    741,257.21/1,111,975.79 = 208,778.24/x
  3. Step 3: Cross multiply
    741,257.21x = 1,111,975.79 × 208,778.24
  4. Step 4: Simplify right side
    741,257.21x = 232,156,348,358.81
  5. Step 5: Solve for x
    x = 232,156,348,358.81/741,257.21
  6. Step 6: Final answer
    x = 313,192.70

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1.5x scale

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.