Home / 543,212.75-749,619.18-301,489.08

Finding the Fourth Proportional to 543,212.75, 749,619.18 and 301,489.08

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Solution

The fourth proportional to 543,212.75, 749,619.18 and 301,489.08 is: 416,046.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,212.75 : 749,619.18 = 301,489.08 : x
  2. Step 2: Convert to fraction form
    543,212.75/749,619.18 = 301,489.08/x
  3. Step 3: Cross multiply
    543,212.75x = 749,619.18 × 301,489.08
  4. Step 4: Simplify right side
    543,212.75x = 226,001,996,928.55
  5. Step 5: Solve for x
    x = 226,001,996,928.55/543,212.75
  6. Step 6: Final answer
    x = 416,046.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.