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Finding the Fourth Proportional to 507,411.73, 699,412.08 and 344,015.29

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Solution

The fourth proportional to 507,411.73, 699,412.08 and 344,015.29 is: 474,187.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,411.73 : 699,412.08 = 344,015.29 : x
  2. Step 2: Convert to fraction form
    507,411.73/699,412.08 = 344,015.29/x
  3. Step 3: Cross multiply
    507,411.73x = 699,412.08 × 344,015.29
  4. Step 4: Simplify right side
    507,411.73x = 240,608,449,530.70
  5. Step 5: Solve for x
    x = 240,608,449,530.70/507,411.73
  6. Step 6: Final answer
    x = 474,187.80

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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.