Home / 842,787.18-1,262,968.20-362,883.24

Finding the Fourth Proportional to 842,787.18, 1,262,968.20 and 362,883.24

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Solution

The fourth proportional to 842,787.18, 1,262,968.20 and 362,883.24 is: 543,802.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,787.18 : 1,262,968.20 = 362,883.24 : x
  2. Step 2: Convert to fraction form
    842,787.18/1,262,968.20 = 362,883.24/x
  3. Step 3: Cross multiply
    842,787.18x = 1,262,968.20 × 362,883.24
  4. Step 4: Simplify right side
    842,787.18x = 458,309,992,432.97
  5. Step 5: Solve for x
    x = 458,309,992,432.97/842,787.18
  6. Step 6: Final answer
    x = 543,802.76

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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.