Home / 943,639.14-1,414,461.60-643,375.38

Finding the Fourth Proportional to 943,639.14, 1,414,461.60 and 643,375.38

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Solution

The fourth proportional to 943,639.14, 1,414,461.60 and 643,375.38 is: 964,383.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,639.14 : 1,414,461.60 = 643,375.38 : x
  2. Step 2: Convert to fraction form
    943,639.14/1,414,461.60 = 643,375.38/x
  3. Step 3: Cross multiply
    943,639.14x = 1,414,461.60 × 643,375.38
  4. Step 4: Simplify right side
    943,639.14x = 910,029,769,395.41
  5. Step 5: Solve for x
    x = 910,029,769,395.41/943,639.14
  6. Step 6: Final answer
    x = 964,383.24

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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.