Home / 459,899.24-689,849.10-206,884.15

Finding the Fourth Proportional to 459,899.24, 689,849.10 and 206,884.15

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Solution

The fourth proportional to 459,899.24, 689,849.10 and 206,884.15 is: 310,326.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,899.24 : 689,849.10 = 206,884.15 : x
  2. Step 2: Convert to fraction form
    459,899.24/689,849.10 = 206,884.15/x
  3. Step 3: Cross multiply
    459,899.24x = 689,849.10 × 206,884.15
  4. Step 4: Simplify right side
    459,899.24x = 142,718,842,957.14
  5. Step 5: Solve for x
    x = 142,718,842,957.14/459,899.24
  6. Step 6: Final answer
    x = 310,326.33

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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.