Home / 905,368.05-1,358,046.68-231,448.29

Finding the Fourth Proportional to 905,368.05, 1,358,046.68 and 231,448.29

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Solution

The fourth proportional to 905,368.05, 1,358,046.68 and 231,448.29 is: 347,171.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,368.05 : 1,358,046.68 = 231,448.29 : x
  2. Step 2: Convert to fraction form
    905,368.05/1,358,046.68 = 231,448.29/x
  3. Step 3: Cross multiply
    905,368.05x = 1,358,046.68 × 231,448.29
  4. Step 4: Simplify right side
    905,368.05x = 314,317,581,826.18
  5. Step 5: Solve for x
    x = 314,317,581,826.18/905,368.05
  6. Step 6: Final answer
    x = 347,171.06

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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.