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Finding the Fourth Proportional to 520,266, 717,967.08 and 281,802

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Solution

The fourth proportional to 520,266, 717,967.08 and 281,802 is: 388,886.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,266 : 717,967.08 = 281,802 : x
  2. Step 2: Convert to fraction form
    520,266/717,967.08 = 281,802/x
  3. Step 3: Cross multiply
    520,266x = 717,967.08 × 281,802
  4. Step 4: Simplify right side
    520,266x = 202,324,559,078.16
  5. Step 5: Solve for x
    x = 202,324,559,078.16/520,266
  6. Step 6: Final answer
    x = 388,886.76

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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.