Home / 741,632.63-1,111,789.19-268,212.74

Finding the Fourth Proportional to 741,632.63, 1,111,789.19 and 268,212.74

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Solution

The fourth proportional to 741,632.63, 1,111,789.19 and 268,212.74 is: 402,080.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,632.63 : 1,111,789.19 = 268,212.74 : x
  2. Step 2: Convert to fraction form
    741,632.63/1,111,789.19 = 268,212.74/x
  3. Step 3: Cross multiply
    741,632.63x = 1,111,789.19 × 268,212.74
  4. Step 4: Simplify right side
    741,632.63x = 298,196,020,063.87
  5. Step 5: Solve for x
    x = 298,196,020,063.87/741,632.63
  6. Step 6: Final answer
    x = 402,080.50

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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.