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Finding the Fourth Proportional to 494,353.76, 682,206.60 and 267,999.32

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Solution

The fourth proportional to 494,353.76, 682,206.60 and 267,999.32 is: 369,838.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,353.76 : 682,206.60 = 267,999.32 : x
  2. Step 2: Convert to fraction form
    494,353.76/682,206.60 = 267,999.32/x
  3. Step 3: Cross multiply
    494,353.76x = 682,206.60 × 267,999.32
  4. Step 4: Simplify right side
    494,353.76x = 182,830,904,899.51
  5. Step 5: Solve for x
    x = 182,830,904,899.51/494,353.76
  6. Step 6: Final answer
    x = 369,838.20

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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.