Home / 746,378.20-1,120,004.70-273,111.40

Finding the Fourth Proportional to 746,378.20, 1,120,004.70 and 273,111.40

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Solution

The fourth proportional to 746,378.20, 1,120,004.70 and 273,111.40 is: 409,827.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,378.20 : 1,120,004.70 = 273,111.40 : x
  2. Step 2: Convert to fraction form
    746,378.20/1,120,004.70 = 273,111.40/x
  3. Step 3: Cross multiply
    746,378.20x = 1,120,004.70 × 273,111.40
  4. Step 4: Simplify right side
    746,378.20x = 305,886,051,623.58
  5. Step 5: Solve for x
    x = 305,886,051,623.58/746,378.20
  6. Step 6: Final answer
    x = 409,827.15

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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.