Home / 501,930.78-692,659.60-272,483.04

Finding the Fourth Proportional to 501,930.78, 692,659.60 and 272,483.04

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Solution

The fourth proportional to 501,930.78, 692,659.60 and 272,483.04 is: 376,023.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,930.78 : 692,659.60 = 272,483.04 : x
  2. Step 2: Convert to fraction form
    501,930.78/692,659.60 = 272,483.04/x
  3. Step 3: Cross multiply
    501,930.78x = 692,659.60 × 272,483.04
  4. Step 4: Simplify right side
    501,930.78x = 188,737,993,045.96
  5. Step 5: Solve for x
    x = 188,737,993,045.96/501,930.78
  6. Step 6: Final answer
    x = 376,023.95

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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.