Home / 853,122.78-1,280,013.30-610,238.34

Finding the Fourth Proportional to 853,122.78, 1,280,013.30 and 610,238.34

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Solution

The fourth proportional to 853,122.78, 1,280,013.30 and 610,238.34 is: 915,592.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,122.78 : 1,280,013.30 = 610,238.34 : x
  2. Step 2: Convert to fraction form
    853,122.78/1,280,013.30 = 610,238.34/x
  3. Step 3: Cross multiply
    853,122.78x = 1,280,013.30 × 610,238.34
  4. Step 4: Simplify right side
    853,122.78x = 781,113,191,369.92
  5. Step 5: Solve for x
    x = 781,113,191,369.92/853,122.78
  6. Step 6: Final answer
    x = 915,592.94

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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.