Home / 806,743.12-1,210,121.60-230,364.91

Finding the Fourth Proportional to 806,743.12, 1,210,121.60 and 230,364.91

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Solution

The fourth proportional to 806,743.12, 1,210,121.60 and 230,364.91 is: 345,549.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,743.12 : 1,210,121.60 = 230,364.91 : x
  2. Step 2: Convert to fraction form
    806,743.12/1,210,121.60 = 230,364.91/x
  3. Step 3: Cross multiply
    806,743.12x = 1,210,121.60 × 230,364.91
  4. Step 4: Simplify right side
    806,743.12x = 278,769,555,939.56
  5. Step 5: Solve for x
    x = 278,769,555,939.56/806,743.12
  6. Step 6: Final answer
    x = 345,549.34

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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.