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Finding the Fourth Proportional to 529,728.46, 794,690.44 and 174,767.02

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Solution

The fourth proportional to 529,728.46, 794,690.44 and 174,767.02 is: 262,182.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,728.46 : 794,690.44 = 174,767.02 : x
  2. Step 2: Convert to fraction form
    529,728.46/794,690.44 = 174,767.02/x
  3. Step 3: Cross multiply
    529,728.46x = 794,690.44 × 174,767.02
  4. Step 4: Simplify right side
    529,728.46x = 138,885,680,021.29
  5. Step 5: Solve for x
    x = 138,885,680,021.29/529,728.46
  6. Step 6: Final answer
    x = 262,182.78

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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.