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Finding the Fourth Proportional to 889,540.76, 1,227,474.60 and 507,494

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Solution

The fourth proportional to 889,540.76, 1,227,474.60 and 507,494 is: 700,289.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,540.76 : 1,227,474.60 = 507,494 : x
  2. Step 2: Convert to fraction form
    889,540.76/1,227,474.60 = 507,494/x
  3. Step 3: Cross multiply
    889,540.76x = 1,227,474.60 × 507,494
  4. Step 4: Simplify right side
    889,540.76x = 622,935,994,652.40
  5. Step 5: Solve for x
    x = 622,935,994,652.40/889,540.76
  6. Step 6: Final answer
    x = 700,289.43

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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.