Home / 911,823.54-1,368,129-491,015.58

Finding the Fourth Proportional to 911,823.54, 1,368,129 and 491,015.58

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Solution

The fourth proportional to 911,823.54, 1,368,129 and 491,015.58 is: 736,735.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,823.54 : 1,368,129 = 491,015.58 : x
  2. Step 2: Convert to fraction form
    911,823.54/1,368,129 = 491,015.58/x
  3. Step 3: Cross multiply
    911,823.54x = 1,368,129 × 491,015.58
  4. Step 4: Simplify right side
    911,823.54x = 671,772,654,449.82
  5. Step 5: Solve for x
    x = 671,772,654,449.82/911,823.54
  6. Step 6: Final answer
    x = 736,735.37

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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.