Home / 913,169.10-1,369,940.49-314,052.30

Finding the Fourth Proportional to 913,169.10, 1,369,940.49 and 314,052.30

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Solution

The fourth proportional to 913,169.10, 1,369,940.49 and 314,052.30 is: 471,142.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,169.10 : 1,369,940.49 = 314,052.30 : x
  2. Step 2: Convert to fraction form
    913,169.10/1,369,940.49 = 314,052.30/x
  3. Step 3: Cross multiply
    913,169.10x = 1,369,940.49 × 314,052.30
  4. Step 4: Simplify right side
    913,169.10x = 430,232,961,747.63
  5. Step 5: Solve for x
    x = 430,232,961,747.63/913,169.10
  6. Step 6: Final answer
    x = 471,142.71

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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.