Home / 316,799.37-474,017.94-313,256.43

Finding the Fourth Proportional to 316,799.37, 474,017.94 and 313,256.43

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Solution

The fourth proportional to 316,799.37, 474,017.94 and 313,256.43 is: 468,716.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,799.37 : 474,017.94 = 313,256.43 : x
  2. Step 2: Convert to fraction form
    316,799.37/474,017.94 = 313,256.43/x
  3. Step 3: Cross multiply
    316,799.37x = 474,017.94 × 313,256.43
  4. Step 4: Simplify right side
    316,799.37x = 148,489,167,640.35
  5. Step 5: Solve for x
    x = 148,489,167,640.35/316,799.37
  6. Step 6: Final answer
    x = 468,716.74

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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.