Home / 642,328.30-962,770.38-305,092.90

Finding the Fourth Proportional to 642,328.30, 962,770.38 and 305,092.90

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Solution

The fourth proportional to 642,328.30, 962,770.38 and 305,092.90 is: 457,296.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,328.30 : 962,770.38 = 305,092.90 : x
  2. Step 2: Convert to fraction form
    642,328.30/962,770.38 = 305,092.90/x
  3. Step 3: Cross multiply
    642,328.30x = 962,770.38 × 305,092.90
  4. Step 4: Simplify right side
    642,328.30x = 293,734,407,268.30
  5. Step 5: Solve for x
    x = 293,734,407,268.30/642,328.30
  6. Step 6: Final answer
    x = 457,296.38

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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.