Home / 936,431.87-1,404,111.29-287,839.16

Finding the Fourth Proportional to 936,431.87, 1,404,111.29 and 287,839.16

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Solution

The fourth proportional to 936,431.87, 1,404,111.29 and 287,839.16 is: 431,593.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,431.87 : 1,404,111.29 = 287,839.16 : x
  2. Step 2: Convert to fraction form
    936,431.87/1,404,111.29 = 287,839.16/x
  3. Step 3: Cross multiply
    936,431.87x = 1,404,111.29 × 287,839.16
  4. Step 4: Simplify right side
    936,431.87x = 404,158,211,924.68
  5. Step 5: Solve for x
    x = 404,158,211,924.68/936,431.87
  6. Step 6: Final answer
    x = 431,593.82

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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.