Home / 786,539.36-1,180,990.56-449,960

Finding the Fourth Proportional to 786,539.36, 1,180,990.56 and 449,960

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Solution

The fourth proportional to 786,539.36, 1,180,990.56 and 449,960 is: 675,615.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,539.36 : 1,180,990.56 = 449,960 : x
  2. Step 2: Convert to fraction form
    786,539.36/1,180,990.56 = 449,960/x
  3. Step 3: Cross multiply
    786,539.36x = 1,180,990.56 × 449,960
  4. Step 4: Simplify right side
    786,539.36x = 531,398,512,377.60
  5. Step 5: Solve for x
    x = 531,398,512,377.60/786,539.36
  6. Step 6: Final answer
    x = 675,615.92

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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.