Home / 930,892.82-1,396,311.32-257,015.25

Finding the Fourth Proportional to 930,892.82, 1,396,311.32 and 257,015.25

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Solution

The fourth proportional to 930,892.82, 1,396,311.32 and 257,015.25 is: 385,515.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,892.82 : 1,396,311.32 = 257,015.25 : x
  2. Step 2: Convert to fraction form
    930,892.82/1,396,311.32 = 257,015.25/x
  3. Step 3: Cross multiply
    930,892.82x = 1,396,311.32 × 257,015.25
  4. Step 4: Simplify right side
    930,892.82x = 358,873,303,630.17
  5. Step 5: Solve for x
    x = 358,873,303,630.17/930,892.82
  6. Step 6: Final answer
    x = 385,515.17

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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.