Home / 855,178.22-1,180,270.50-492,531.50

Finding the Fourth Proportional to 855,178.22, 1,180,270.50 and 492,531.50

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Solution

The fourth proportional to 855,178.22, 1,180,270.50 and 492,531.50 is: 679,765.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,178.22 : 1,180,270.50 = 492,531.50 : x
  2. Step 2: Convert to fraction form
    855,178.22/1,180,270.50 = 492,531.50/x
  3. Step 3: Cross multiply
    855,178.22x = 1,180,270.50 × 492,531.50
  4. Step 4: Simplify right side
    855,178.22x = 581,320,399,770.75
  5. Step 5: Solve for x
    x = 581,320,399,770.75/855,178.22
  6. Step 6: Final answer
    x = 679,765.21

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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.