Home / 946,415.10-1,419,622.65-281,567.10

Finding the Fourth Proportional to 946,415.10, 1,419,622.65 and 281,567.10

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Solution

The fourth proportional to 946,415.10, 1,419,622.65 and 281,567.10 is: 422,350.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,415.10 : 1,419,622.65 = 281,567.10 : x
  2. Step 2: Convert to fraction form
    946,415.10/1,419,622.65 = 281,567.10/x
  3. Step 3: Cross multiply
    946,415.10x = 1,419,622.65 × 281,567.10
  4. Step 4: Simplify right side
    946,415.10x = 399,719,032,654.82
  5. Step 5: Solve for x
    x = 399,719,032,654.82/946,415.10
  6. Step 6: Final answer
    x = 422,350.65

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Double scale
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Similar ratio
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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.