Home / 792,774.30-1,189,158.09-287,216.74

Finding the Fourth Proportional to 792,774.30, 1,189,158.09 and 287,216.74

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Solution

The fourth proportional to 792,774.30, 1,189,158.09 and 287,216.74 is: 430,823.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,774.30 : 1,189,158.09 = 287,216.74 : x
  2. Step 2: Convert to fraction form
    792,774.30/1,189,158.09 = 287,216.74/x
  3. Step 3: Cross multiply
    792,774.30x = 1,189,158.09 × 287,216.74
  4. Step 4: Simplify right side
    792,774.30x = 341,546,109,954.43
  5. Step 5: Solve for x
    x = 341,546,109,954.43/792,774.30
  6. Step 6: Final answer
    x = 430,823.90

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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.