Home / 727,519.44-1,003,900.04-421,691.75

Finding the Fourth Proportional to 727,519.44, 1,003,900.04 and 421,691.75

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Solution

The fourth proportional to 727,519.44, 1,003,900.04 and 421,691.75 is: 581,890.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,519.44 : 1,003,900.04 = 421,691.75 : x
  2. Step 2: Convert to fraction form
    727,519.44/1,003,900.04 = 421,691.75/x
  3. Step 3: Cross multiply
    727,519.44x = 1,003,900.04 × 421,691.75
  4. Step 4: Simplify right side
    727,519.44x = 423,336,364,492.02
  5. Step 5: Solve for x
    x = 423,336,364,492.02/727,519.44
  6. Step 6: Final answer
    x = 581,890.11

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.