Home / 723,726.64-1,085,273.16-296,969.68

Finding the Fourth Proportional to 723,726.64, 1,085,273.16 and 296,969.68

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Solution

The fourth proportional to 723,726.64, 1,085,273.16 and 296,969.68 is: 445,324.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,726.64 : 1,085,273.16 = 296,969.68 : x
  2. Step 2: Convert to fraction form
    723,726.64/1,085,273.16 = 296,969.68/x
  3. Step 3: Cross multiply
    723,726.64x = 1,085,273.16 × 296,969.68
  4. Step 4: Simplify right side
    723,726.64x = 322,293,223,037.79
  5. Step 5: Solve for x
    x = 322,293,223,037.79/723,726.64
  6. Step 6: Final answer
    x = 445,324.53

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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.