Home / 842,631-1,162,681.30-498,481.44

Finding the Fourth Proportional to 842,631, 1,162,681.30 and 498,481.44

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Solution

The fourth proportional to 842,631, 1,162,681.30 and 498,481.44 is: 687,815.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,631 : 1,162,681.30 = 498,481.44 : x
  2. Step 2: Convert to fraction form
    842,631/1,162,681.30 = 498,481.44/x
  3. Step 3: Cross multiply
    842,631x = 1,162,681.30 × 498,481.44
  4. Step 4: Simplify right side
    842,631x = 579,575,048,685.07
  5. Step 5: Solve for x
    x = 579,575,048,685.07/842,631
  6. Step 6: Final answer
    x = 687,815.96

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.