Home / 515,297.85-772,584.59-226,972.65

Finding the Fourth Proportional to 515,297.85, 772,584.59 and 226,972.65

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Solution

The fourth proportional to 515,297.85, 772,584.59 and 226,972.65 is: 340,299.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,297.85 : 772,584.59 = 226,972.65 : x
  2. Step 2: Convert to fraction form
    515,297.85/772,584.59 = 226,972.65/x
  3. Step 3: Cross multiply
    515,297.85x = 772,584.59 × 226,972.65
  4. Step 4: Simplify right side
    515,297.85x = 175,355,570,606.60
  5. Step 5: Solve for x
    x = 175,355,570,606.60/515,297.85
  6. Step 6: Final answer
    x = 340,299.44

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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.