Home / 993,990.60-1,491,374.70-362,968.20

Finding the Fourth Proportional to 993,990.60, 1,491,374.70 and 362,968.20

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Solution

The fourth proportional to 993,990.60, 1,491,374.70 and 362,968.20 is: 544,594.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,990.60 : 1,491,374.70 = 362,968.20 : x
  2. Step 2: Convert to fraction form
    993,990.60/1,491,374.70 = 362,968.20/x
  3. Step 3: Cross multiply
    993,990.60x = 1,491,374.70 × 362,968.20
  4. Step 4: Simplify right side
    993,990.60x = 541,321,590,384.54
  5. Step 5: Solve for x
    x = 541,321,590,384.54/993,990.60
  6. Step 6: Final answer
    x = 544,594.28

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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.