Home / 902,249.39-1,245,056.48-515,049.45

Finding the Fourth Proportional to 902,249.39, 1,245,056.48 and 515,049.45

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Solution

The fourth proportional to 902,249.39, 1,245,056.48 and 515,049.45 is: 710,741.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,249.39 : 1,245,056.48 = 515,049.45 : x
  2. Step 2: Convert to fraction form
    902,249.39/1,245,056.48 = 515,049.45/x
  3. Step 3: Cross multiply
    902,249.39x = 1,245,056.48 × 515,049.45
  4. Step 4: Simplify right side
    902,249.39x = 641,265,652,667.69
  5. Step 5: Solve for x
    x = 641,265,652,667.69/902,249.39
  6. Step 6: Final answer
    x = 710,741.02

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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.