Home / 756,904.22-1,135,356.33-307,869.38

Finding the Fourth Proportional to 756,904.22, 1,135,356.33 and 307,869.38

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Solution

The fourth proportional to 756,904.22, 1,135,356.33 and 307,869.38 is: 461,804.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,904.22 : 1,135,356.33 = 307,869.38 : x
  2. Step 2: Convert to fraction form
    756,904.22/1,135,356.33 = 307,869.38/x
  3. Step 3: Cross multiply
    756,904.22x = 1,135,356.33 × 307,869.38
  4. Step 4: Simplify right side
    756,904.22x = 349,541,449,131.49
  5. Step 5: Solve for x
    x = 349,541,449,131.49/756,904.22
  6. Step 6: Final answer
    x = 461,804.07

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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.