Home / 792,588.90-1,188,973.56-287,387.82

Finding the Fourth Proportional to 792,588.90, 1,188,973.56 and 287,387.82

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Solution

The fourth proportional to 792,588.90, 1,188,973.56 and 287,387.82 is: 431,114.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,588.90 : 1,188,973.56 = 287,387.82 : x
  2. Step 2: Convert to fraction form
    792,588.90/1,188,973.56 = 287,387.82/x
  3. Step 3: Cross multiply
    792,588.90x = 1,188,973.56 × 287,387.82
  4. Step 4: Simplify right side
    792,588.90x = 341,696,519,446.04
  5. Step 5: Solve for x
    x = 341,696,519,446.04/792,588.90
  6. Step 6: Final answer
    x = 431,114.44

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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.