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Finding the Fourth Proportional to 664,800.75, 917,425.44 and 362,994.75

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Solution

The fourth proportional to 664,800.75, 917,425.44 and 362,994.75 is: 500,932.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,800.75 : 917,425.44 = 362,994.75 : x
  2. Step 2: Convert to fraction form
    664,800.75/917,425.44 = 362,994.75/x
  3. Step 3: Cross multiply
    664,800.75x = 917,425.44 × 362,994.75
  4. Step 4: Simplify right side
    664,800.75x = 333,020,618,236.44
  5. Step 5: Solve for x
    x = 333,020,618,236.44/664,800.75
  6. Step 6: Final answer
    x = 500,932.98

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Double scale
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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.