Home / 552,866.56-828,972.60-215,513.40

Finding the Fourth Proportional to 552,866.56, 828,972.60 and 215,513.40

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Solution

The fourth proportional to 552,866.56, 828,972.60 and 215,513.40 is: 323,142.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,866.56 : 828,972.60 = 215,513.40 : x
  2. Step 2: Convert to fraction form
    552,866.56/828,972.60 = 215,513.40/x
  3. Step 3: Cross multiply
    552,866.56x = 828,972.60 × 215,513.40
  4. Step 4: Simplify right side
    552,866.56x = 178,654,703,532.84
  5. Step 5: Solve for x
    x = 178,654,703,532.84/552,866.56
  6. Step 6: Final answer
    x = 323,142.54

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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.