Home / 915,297.74-1,371,993.44-307,634.93

Finding the Fourth Proportional to 915,297.74, 1,371,993.44 and 307,634.93

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Solution

The fourth proportional to 915,297.74, 1,371,993.44 and 307,634.93 is: 461,132.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,297.74 : 1,371,993.44 = 307,634.93 : x
  2. Step 2: Convert to fraction form
    915,297.74/1,371,993.44 = 307,634.93/x
  3. Step 3: Cross multiply
    915,297.74x = 1,371,993.44 × 307,634.93
  4. Step 4: Simplify right side
    915,297.74x = 422,073,097,476.72
  5. Step 5: Solve for x
    x = 422,073,097,476.72/915,297.74
  6. Step 6: Final answer
    x = 461,132.02

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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.