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Finding the Fourth Proportional to 662,383.40, 994,234.30 and 307,477.80

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Solution

The fourth proportional to 662,383.40, 994,234.30 and 307,477.80 is: 461,522.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,383.40 : 994,234.30 = 307,477.80 : x
  2. Step 2: Convert to fraction form
    662,383.40/994,234.30 = 307,477.80/x
  3. Step 3: Cross multiply
    662,383.40x = 994,234.30 × 307,477.80
  4. Step 4: Simplify right side
    662,383.40x = 305,704,975,248.54
  5. Step 5: Solve for x
    x = 305,704,975,248.54/662,383.40
  6. Step 6: Final answer
    x = 461,522.70

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1.5x scale

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.