Home / 866,536.02-1,299,922.31-360,978.74

Finding the Fourth Proportional to 866,536.02, 1,299,922.31 and 360,978.74

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Solution

The fourth proportional to 866,536.02, 1,299,922.31 and 360,978.74 is: 541,517.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,536.02 : 1,299,922.31 = 360,978.74 : x
  2. Step 2: Convert to fraction form
    866,536.02/1,299,922.31 = 360,978.74/x
  3. Step 3: Cross multiply
    866,536.02x = 1,299,922.31 × 360,978.74
  4. Step 4: Simplify right side
    866,536.02x = 469,244,317,561.69
  5. Step 5: Solve for x
    x = 469,244,317,561.69/866,536.02
  6. Step 6: Final answer
    x = 541,517.38

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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.