Home / 910,971.38-1,366,506.67-378,546.10

Finding the Fourth Proportional to 910,971.38, 1,366,506.67 and 378,546.10

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Solution

The fourth proportional to 910,971.38, 1,366,506.67 and 378,546.10 is: 567,839.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,971.38 : 1,366,506.67 = 378,546.10 : x
  2. Step 2: Convert to fraction form
    910,971.38/1,366,506.67 = 378,546.10/x
  3. Step 3: Cross multiply
    910,971.38x = 1,366,506.67 × 378,546.10
  4. Step 4: Simplify right side
    910,971.38x = 517,285,770,552.49
  5. Step 5: Solve for x
    x = 517,285,770,552.49/910,971.38
  6. Step 6: Final answer
    x = 567,839.76

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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.