Home / 856,641.78-1,182,015.82-488,951.04

Finding the Fourth Proportional to 856,641.78, 1,182,015.82 and 488,951.04

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Solution

The fourth proportional to 856,641.78, 1,182,015.82 and 488,951.04 is: 674,666.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,641.78 : 1,182,015.82 = 488,951.04 : x
  2. Step 2: Convert to fraction form
    856,641.78/1,182,015.82 = 488,951.04/x
  3. Step 3: Cross multiply
    856,641.78x = 1,182,015.82 × 488,951.04
  4. Step 4: Simplify right side
    856,641.78x = 577,947,864,485.45
  5. Step 5: Solve for x
    x = 577,947,864,485.45/856,641.78
  6. Step 6: Final answer
    x = 674,666.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.