Home / 993,458.06-1,490,409.32-362,371.88

Finding the Fourth Proportional to 993,458.06, 1,490,409.32 and 362,371.88

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Solution

The fourth proportional to 993,458.06, 1,490,409.32 and 362,371.88 is: 543,638.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,458.06 : 1,490,409.32 = 362,371.88 : x
  2. Step 2: Convert to fraction form
    993,458.06/1,490,409.32 = 362,371.88/x
  3. Step 3: Cross multiply
    993,458.06x = 1,490,409.32 × 362,371.88
  4. Step 4: Simplify right side
    993,458.06x = 540,082,420,788.53
  5. Step 5: Solve for x
    x = 540,082,420,788.53/993,458.06
  6. Step 6: Final answer
    x = 543,638.87

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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.