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Finding the Fourth Proportional to 664,856.04, 996,594.24 and 309,577.92

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Solution

The fourth proportional to 664,856.04, 996,594.24 and 309,577.92 is: 464,045.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,856.04 : 996,594.24 = 309,577.92 : x
  2. Step 2: Convert to fraction form
    664,856.04/996,594.24 = 309,577.92/x
  3. Step 3: Cross multiply
    664,856.04x = 996,594.24 × 309,577.92
  4. Step 4: Simplify right side
    664,856.04x = 308,523,571,903.18
  5. Step 5: Solve for x
    x = 308,523,571,903.18/664,856.04
  6. Step 6: Final answer
    x = 464,045.68

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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.