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Finding the Fourth Proportional to 664,314.20, 996,471.30 and 606,253.40

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Solution

The fourth proportional to 664,314.20, 996,471.30 and 606,253.40 is: 909,380.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,314.20 : 996,471.30 = 606,253.40 : x
  2. Step 2: Convert to fraction form
    664,314.20/996,471.30 = 606,253.40/x
  3. Step 3: Cross multiply
    664,314.20x = 996,471.30 × 606,253.40
  4. Step 4: Simplify right side
    664,314.20x = 604,114,113,627.42
  5. Step 5: Solve for x
    x = 604,114,113,627.42/664,314.20
  6. Step 6: Final answer
    x = 909,380.10

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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.