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Finding the Fourth Proportional to 662,744.23, 993,508.94 and 258,209.37

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Solution

The fourth proportional to 662,744.23, 993,508.94 and 258,209.37 is: 387,077.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,744.23 : 993,508.94 = 258,209.37 : x
  2. Step 2: Convert to fraction form
    662,744.23/993,508.94 = 258,209.37/x
  3. Step 3: Cross multiply
    662,744.23x = 993,508.94 × 258,209.37
  4. Step 4: Simplify right side
    662,744.23x = 256,533,318,132.29
  5. Step 5: Solve for x
    x = 256,533,318,132.29/662,744.23
  6. Step 6: Final answer
    x = 387,077.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.