Home / 741,140.85-1,111,776.92-208,666.49

Finding the Fourth Proportional to 741,140.85, 1,111,776.92 and 208,666.49

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Solution

The fourth proportional to 741,140.85, 1,111,776.92 and 208,666.49 is: 313,018.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,140.85 : 1,111,776.92 = 208,666.49 : x
  2. Step 2: Convert to fraction form
    741,140.85/1,111,776.92 = 208,666.49/x
  3. Step 3: Cross multiply
    741,140.85x = 1,111,776.92 × 208,666.49
  4. Step 4: Simplify right side
    741,140.85x = 231,990,580,957.19
  5. Step 5: Solve for x
    x = 231,990,580,957.19/741,140.85
  6. Step 6: Final answer
    x = 313,018.21

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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.