Home / 825,433.04-1,238,499.40-451,018.64

Finding the Fourth Proportional to 825,433.04, 1,238,499.40 and 451,018.64

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Solution

The fourth proportional to 825,433.04, 1,238,499.40 and 451,018.64 is: 676,719.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,433.04 : 1,238,499.40 = 451,018.64 : x
  2. Step 2: Convert to fraction form
    825,433.04/1,238,499.40 = 451,018.64/x
  3. Step 3: Cross multiply
    825,433.04x = 1,238,499.40 × 451,018.64
  4. Step 4: Simplify right side
    825,433.04x = 558,586,315,028.82
  5. Step 5: Solve for x
    x = 558,586,315,028.82/825,433.04
  6. Step 6: Final answer
    x = 676,719.11

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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.