Home / 842,530.74-1,162,610.16-479,926.14

Finding the Fourth Proportional to 842,530.74, 1,162,610.16 and 479,926.14

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Solution

The fourth proportional to 842,530.74, 1,162,610.16 and 479,926.14 is: 662,251.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,530.74 : 1,162,610.16 = 479,926.14 : x
  2. Step 2: Convert to fraction form
    842,530.74/1,162,610.16 = 479,926.14/x
  3. Step 3: Cross multiply
    842,530.74x = 1,162,610.16 × 479,926.14
  4. Step 4: Simplify right side
    842,530.74x = 557,967,006,413.58
  5. Step 5: Solve for x
    x = 557,967,006,413.58/842,530.74
  6. Step 6: Final answer
    x = 662,251.22

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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.