Home / 490,979.56-735,865.50-254,186.92

Finding the Fourth Proportional to 490,979.56, 735,865.50 and 254,186.92

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Solution

The fourth proportional to 490,979.56, 735,865.50 and 254,186.92 is: 380,967.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,979.56 : 735,865.50 = 254,186.92 : x
  2. Step 2: Convert to fraction form
    490,979.56/735,865.50 = 254,186.92/x
  3. Step 3: Cross multiply
    490,979.56x = 735,865.50 × 254,186.92
  4. Step 4: Simplify right side
    490,979.56x = 187,047,384,979.26
  5. Step 5: Solve for x
    x = 187,047,384,979.26/490,979.56
  6. Step 6: Final answer
    x = 380,967.76

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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.