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Finding the Fourth Proportional to 503,159, 694,408.52 and 375,613.16

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Solution

The fourth proportional to 503,159, 694,408.52 and 375,613.16 is: 518,382.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,159 : 694,408.52 = 375,613.16 : x
  2. Step 2: Convert to fraction form
    503,159/694,408.52 = 375,613.16/x
  3. Step 3: Cross multiply
    503,159x = 694,408.52 × 375,613.16
  4. Step 4: Simplify right side
    503,159x = 260,828,978,528.12
  5. Step 5: Solve for x
    x = 260,828,978,528.12/503,159
  6. Step 6: Final answer
    x = 518,382.81

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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.