Home / 447,086.31-670,924.89-210,496.65

Finding the Fourth Proportional to 447,086.31, 670,924.89 and 210,496.65

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Solution

The fourth proportional to 447,086.31, 670,924.89 and 210,496.65 is: 315,884.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,086.31 : 670,924.89 = 210,496.65 : x
  2. Step 2: Convert to fraction form
    447,086.31/670,924.89 = 210,496.65/x
  3. Step 3: Cross multiply
    447,086.31x = 670,924.89 × 210,496.65
  4. Step 4: Simplify right side
    447,086.31x = 141,227,441,746.62
  5. Step 5: Solve for x
    x = 141,227,441,746.62/447,086.31
  6. Step 6: Final answer
    x = 315,884.07

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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.