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Finding the Fourth Proportional to 650,382.83, 897,505.42 and 359,994.96

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Solution

The fourth proportional to 650,382.83, 897,505.42 and 359,994.96 is: 496,780.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,382.83 : 897,505.42 = 359,994.96 : x
  2. Step 2: Convert to fraction form
    650,382.83/897,505.42 = 359,994.96/x
  3. Step 3: Cross multiply
    650,382.83x = 897,505.42 × 359,994.96
  4. Step 4: Simplify right side
    650,382.83x = 323,097,427,772.68
  5. Step 5: Solve for x
    x = 323,097,427,772.68/650,382.83
  6. Step 6: Final answer
    x = 496,780.38

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1.5x scale

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.