Home / 975,646.41-1,463,469.61-643,144.65

Finding the Fourth Proportional to 975,646.41, 1,463,469.61 and 643,144.65

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Solution

The fourth proportional to 975,646.41, 1,463,469.61 and 643,144.65 is: 964,716.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,646.41 : 1,463,469.61 = 643,144.65 : x
  2. Step 2: Convert to fraction form
    975,646.41/1,463,469.61 = 643,144.65/x
  3. Step 3: Cross multiply
    975,646.41x = 1,463,469.61 × 643,144.65
  4. Step 4: Simplify right side
    975,646.41x = 941,222,650,109.09
  5. Step 5: Solve for x
    x = 941,222,650,109.09/975,646.41
  6. Step 6: Final answer
    x = 964,716.97

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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.