Home / 506,578.72-759,828.64-206,979.52

Finding the Fourth Proportional to 506,578.72, 759,828.64 and 206,979.52

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Solution

The fourth proportional to 506,578.72, 759,828.64 and 206,979.52 is: 310,453.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,578.72 : 759,828.64 = 206,979.52 : x
  2. Step 2: Convert to fraction form
    506,578.72/759,828.64 = 206,979.52/x
  3. Step 3: Cross multiply
    506,578.72x = 759,828.64 × 206,979.52
  4. Step 4: Simplify right side
    506,578.72x = 157,268,967,189.45
  5. Step 5: Solve for x
    x = 157,268,967,189.45/506,578.72
  6. Step 6: Final answer
    x = 310,453.17

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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.