Home / 741,638.76-1,111,798.38-268,218.86

Finding the Fourth Proportional to 741,638.76, 1,111,798.38 and 268,218.86

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Solution

The fourth proportional to 741,638.76, 1,111,798.38 and 268,218.86 is: 402,089.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,638.76 : 1,111,798.38 = 268,218.86 : x
  2. Step 2: Convert to fraction form
    741,638.76/1,111,798.38 = 268,218.86/x
  3. Step 3: Cross multiply
    741,638.76x = 1,111,798.38 × 268,218.86
  4. Step 4: Simplify right side
    741,638.76x = 298,205,294,033.45
  5. Step 5: Solve for x
    x = 298,205,294,033.45/741,638.76
  6. Step 6: Final answer
    x = 402,089.68

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Double scale
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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.