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Finding the Fourth Proportional to 650,436.87, 975,649.86 and 508,401.61

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Solution

The fourth proportional to 650,436.87, 975,649.86 and 508,401.61 is: 762,598.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,436.87 : 975,649.86 = 508,401.61 : x
  2. Step 2: Convert to fraction form
    650,436.87/975,649.86 = 508,401.61/x
  3. Step 3: Cross multiply
    650,436.87x = 975,649.86 × 508,401.61
  4. Step 4: Simplify right side
    650,436.87x = 496,021,957,181.15
  5. Step 5: Solve for x
    x = 496,021,957,181.15/650,436.87
  6. Step 6: Final answer
    x = 762,598.15

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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.