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Finding the Fourth Proportional to 936,759.16, 1,404,978.90 and 337,601.08

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Solution

The fourth proportional to 936,759.16, 1,404,978.90 and 337,601.08 is: 506,344.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,759.16 : 1,404,978.90 = 337,601.08 : x
  2. Step 2: Convert to fraction form
    936,759.16/1,404,978.90 = 337,601.08/x
  3. Step 3: Cross multiply
    936,759.16x = 1,404,978.90 × 337,601.08
  4. Step 4: Simplify right side
    936,759.16x = 474,322,394,017.21
  5. Step 5: Solve for x
    x = 474,322,394,017.21/936,759.16
  6. Step 6: Final answer
    x = 506,344.01

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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.