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Finding the Fourth Proportional to 818,447.32, 1,129,514.04 and 496,171

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Solution

The fourth proportional to 818,447.32, 1,129,514.04 and 496,171 is: 684,750.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,447.32 : 1,129,514.04 = 496,171 : x
  2. Step 2: Convert to fraction form
    818,447.32/1,129,514.04 = 496,171/x
  3. Step 3: Cross multiply
    818,447.32x = 1,129,514.04 × 496,171
  4. Step 4: Simplify right side
    818,447.32x = 560,432,110,740.84
  5. Step 5: Solve for x
    x = 560,432,110,740.84/818,447.32
  6. Step 6: Final answer
    x = 684,750.38

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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.