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Finding the Fourth Proportional to 650,443.88, 975,660.34 and 508,408.62

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Solution

The fourth proportional to 650,443.88, 975,660.34 and 508,408.62 is: 762,608.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,443.88 : 975,660.34 = 508,408.62 : x
  2. Step 2: Convert to fraction form
    650,443.88/975,660.34 = 508,408.62/x
  3. Step 3: Cross multiply
    650,443.88x = 975,660.34 × 508,408.62
  4. Step 4: Simplify right side
    650,443.88x = 496,034,127,048.13
  5. Step 5: Solve for x
    x = 496,034,127,048.13/650,443.88
  6. Step 6: Final answer
    x = 762,608.65

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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.