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Finding the Fourth Proportional to 504,088.59, 695,635.84 and 274,655.44

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Solution

The fourth proportional to 504,088.59, 695,635.84 and 274,655.44 is: 379,021.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,088.59 : 695,635.84 = 274,655.44 : x
  2. Step 2: Convert to fraction form
    504,088.59/695,635.84 = 274,655.44/x
  3. Step 3: Cross multiply
    504,088.59x = 695,635.84 × 274,655.44
  4. Step 4: Simplify right side
    504,088.59x = 191,060,166,319.20
  5. Step 5: Solve for x
    x = 191,060,166,319.20/504,088.59
  6. Step 6: Final answer
    x = 379,021.01

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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.