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Finding the Fourth Proportional to 908,855.82, 1,254,214.80 and 500,958

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Solution

The fourth proportional to 908,855.82, 1,254,214.80 and 500,958 is: 691,318.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,855.82 : 1,254,214.80 = 500,958 : x
  2. Step 2: Convert to fraction form
    908,855.82/1,254,214.80 = 500,958/x
  3. Step 3: Cross multiply
    908,855.82x = 1,254,214.80 × 500,958
  4. Step 4: Simplify right side
    908,855.82x = 628,308,937,778.40
  5. Step 5: Solve for x
    x = 628,308,937,778.40/908,855.82
  6. Step 6: Final answer
    x = 691,318.61

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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.