Home / 415,716.98-573,845.44-272,486.25

Finding the Fourth Proportional to 415,716.98, 573,845.44 and 272,486.25

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Solution

The fourth proportional to 415,716.98, 573,845.44 and 272,486.25 is: 376,133.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,716.98 : 573,845.44 = 272,486.25 : x
  2. Step 2: Convert to fraction form
    415,716.98/573,845.44 = 272,486.25/x
  3. Step 3: Cross multiply
    415,716.98x = 573,845.44 × 272,486.25
  4. Step 4: Simplify right side
    415,716.98x = 156,364,992,025.20
  5. Step 5: Solve for x
    x = 156,364,992,025.20/415,716.98
  6. Step 6: Final answer
    x = 376,133.28

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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.