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Finding the Fourth Proportional to 428,773.67, 591,692.78 and 237,804.83

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Solution

The fourth proportional to 428,773.67, 591,692.78 and 237,804.83 is: 328,162.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,773.67 : 591,692.78 = 237,804.83 : x
  2. Step 2: Convert to fraction form
    428,773.67/591,692.78 = 237,804.83/x
  3. Step 3: Cross multiply
    428,773.67x = 591,692.78 × 237,804.83
  4. Step 4: Simplify right side
    428,773.67x = 140,707,396,812.64
  5. Step 5: Solve for x
    x = 140,707,396,812.64/428,773.67
  6. Step 6: Final answer
    x = 328,162.40

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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.