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Finding the Fourth Proportional to 613,180.53, 846,207.41 and 371,507.31

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Solution

The fourth proportional to 613,180.53, 846,207.41 and 371,507.31 is: 512,691.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,180.53 : 846,207.41 = 371,507.31 : x
  2. Step 2: Convert to fraction form
    613,180.53/846,207.41 = 371,507.31/x
  3. Step 3: Cross multiply
    613,180.53x = 846,207.41 × 371,507.31
  4. Step 4: Simplify right side
    613,180.53x = 314,372,236,733.63
  5. Step 5: Solve for x
    x = 314,372,236,733.63/613,180.53
  6. Step 6: Final answer
    x = 512,691.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.