Home / 746,440.23-1,119,661.16-185,474.73

Finding the Fourth Proportional to 746,440.23, 1,119,661.16 and 185,474.73

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Solution

The fourth proportional to 746,440.23, 1,119,661.16 and 185,474.73 is: 278,212.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,440.23 : 1,119,661.16 = 185,474.73 : x
  2. Step 2: Convert to fraction form
    746,440.23/1,119,661.16 = 185,474.73/x
  3. Step 3: Cross multiply
    746,440.23x = 1,119,661.16 × 185,474.73
  4. Step 4: Simplify right side
    746,440.23x = 207,668,850,415.11
  5. Step 5: Solve for x
    x = 207,668,850,415.11/746,440.23
  6. Step 6: Final answer
    x = 278,212.30

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Double scale
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Similar ratio
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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.