Home / 988,853.94-1,483,338.83-381,645.54

Finding the Fourth Proportional to 988,853.94, 1,483,338.83 and 381,645.54

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Solution

The fourth proportional to 988,853.94, 1,483,338.83 and 381,645.54 is: 572,490.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,853.94 : 1,483,338.83 = 381,645.54 : x
  2. Step 2: Convert to fraction form
    988,853.94/1,483,338.83 = 381,645.54/x
  3. Step 3: Cross multiply
    988,853.94x = 1,483,338.83 × 381,645.54
  4. Step 4: Simplify right side
    988,853.94x = 566,109,646,870.09
  5. Step 5: Solve for x
    x = 566,109,646,870.09/988,853.94
  6. Step 6: Final answer
    x = 572,490.66

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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.