Home / 510,211.28-704,091.56-283,856.72

Finding the Fourth Proportional to 510,211.28, 704,091.56 and 283,856.72

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Solution

The fourth proportional to 510,211.28, 704,091.56 and 283,856.72 is: 391,722.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,211.28 : 704,091.56 = 283,856.72 : x
  2. Step 2: Convert to fraction form
    510,211.28/704,091.56 = 283,856.72/x
  3. Step 3: Cross multiply
    510,211.28x = 704,091.56 × 283,856.72
  4. Step 4: Simplify right side
    510,211.28x = 199,861,120,801.28
  5. Step 5: Solve for x
    x = 199,861,120,801.28/510,211.28
  6. Step 6: Final answer
    x = 391,722.27

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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.