Home / 792,207.72-1,188,403.74-287,006.58

Finding the Fourth Proportional to 792,207.72, 1,188,403.74 and 287,006.58

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Solution

The fourth proportional to 792,207.72, 1,188,403.74 and 287,006.58 is: 430,543.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,207.72 : 1,188,403.74 = 287,006.58 : x
  2. Step 2: Convert to fraction form
    792,207.72/1,188,403.74 = 287,006.58/x
  3. Step 3: Cross multiply
    792,207.72x = 1,188,403.74 × 287,006.58
  4. Step 4: Simplify right side
    792,207.72x = 341,079,693,076.61
  5. Step 5: Solve for x
    x = 341,079,693,076.61/792,207.72
  6. Step 6: Final answer
    x = 430,543.26

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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.