Home / 741,282.55-1,111,993.09-208,802.72

Finding the Fourth Proportional to 741,282.55, 1,111,993.09 and 208,802.72

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Solution

The fourth proportional to 741,282.55, 1,111,993.09 and 208,802.72 is: 313,223.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,282.55 : 1,111,993.09 = 208,802.72 : x
  2. Step 2: Convert to fraction form
    741,282.55/1,111,993.09 = 208,802.72/x
  3. Step 3: Cross multiply
    741,282.55x = 1,111,993.09 × 208,802.72
  4. Step 4: Simplify right side
    741,282.55x = 232,187,184,071.18
  5. Step 5: Solve for x
    x = 232,187,184,071.18/741,282.55
  6. Step 6: Final answer
    x = 313,223.59

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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.