Home / 723,380.43-1,085,059.71-302,656.31

Finding the Fourth Proportional to 723,380.43, 1,085,059.71 and 302,656.31

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Solution

The fourth proportional to 723,380.43, 1,085,059.71 and 302,656.31 is: 453,979.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,380.43 : 1,085,059.71 = 302,656.31 : x
  2. Step 2: Convert to fraction form
    723,380.43/1,085,059.71 = 302,656.31/x
  3. Step 3: Cross multiply
    723,380.43x = 1,085,059.71 × 302,656.31
  4. Step 4: Simplify right side
    723,380.43x = 328,400,162,532.97
  5. Step 5: Solve for x
    x = 328,400,162,532.97/723,380.43
  6. Step 6: Final answer
    x = 453,979.88

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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.