Home / 459,287.11-687,456.67-245,520.62

Finding the Fourth Proportional to 459,287.11, 687,456.67 and 245,520.62

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Solution

The fourth proportional to 459,287.11, 687,456.67 and 245,520.62 is: 367,492.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,287.11 : 687,456.67 = 245,520.62 : x
  2. Step 2: Convert to fraction form
    459,287.11/687,456.67 = 245,520.62/x
  3. Step 3: Cross multiply
    459,287.11x = 687,456.67 × 245,520.62
  4. Step 4: Simplify right side
    459,287.11x = 168,784,786,828.76
  5. Step 5: Solve for x
    x = 168,784,786,828.76/459,287.11
  6. Step 6: Final answer
    x = 367,492.97

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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.