Home / 792,589.90-1,188,975.06-287,388.82

Finding the Fourth Proportional to 792,589.90, 1,188,975.06 and 287,388.82

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Solution

The fourth proportional to 792,589.90, 1,188,975.06 and 287,388.82 is: 431,115.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,589.90 : 1,188,975.06 = 287,388.82 : x
  2. Step 2: Convert to fraction form
    792,589.90/1,188,975.06 = 287,388.82/x
  3. Step 3: Cross multiply
    792,589.90x = 1,188,975.06 × 287,388.82
  4. Step 4: Simplify right side
    792,589.90x = 341,698,139,502.83
  5. Step 5: Solve for x
    x = 341,698,139,502.83/792,589.90
  6. Step 6: Final answer
    x = 431,115.94

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1.5x scale

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.