Home / 743,575.61-1,026,140.49-404,043.86

Finding the Fourth Proportional to 743,575.61, 1,026,140.49 and 404,043.86

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Solution

The fourth proportional to 743,575.61, 1,026,140.49 and 404,043.86 is: 557,583.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,575.61 : 1,026,140.49 = 404,043.86 : x
  2. Step 2: Convert to fraction form
    743,575.61/1,026,140.49 = 404,043.86/x
  3. Step 3: Cross multiply
    743,575.61x = 1,026,140.49 × 404,043.86
  4. Step 4: Simplify right side
    743,575.61x = 414,605,764,481.89
  5. Step 5: Solve for x
    x = 414,605,764,481.89/743,575.61
  6. Step 6: Final answer
    x = 557,583.87

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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.