Home / 993,440.05-1,490,382.31-362,353.87

Finding the Fourth Proportional to 993,440.05, 1,490,382.31 and 362,353.87

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Solution

The fourth proportional to 993,440.05, 1,490,382.31 and 362,353.87 is: 543,611.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,440.05 : 1,490,382.31 = 362,353.87 : x
  2. Step 2: Convert to fraction form
    993,440.05/1,490,382.31 = 362,353.87/x
  3. Step 3: Cross multiply
    993,440.05x = 1,490,382.31 × 362,353.87
  4. Step 4: Simplify right side
    993,440.05x = 540,045,797,808.04
  5. Step 5: Solve for x
    x = 540,045,797,808.04/993,440.05
  6. Step 6: Final answer
    x = 543,611.86

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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.