Home / 686,777.97-1,030,026.66-260,166.71

Finding the Fourth Proportional to 686,777.97, 1,030,026.66 and 260,166.71

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Solution

The fourth proportional to 686,777.97, 1,030,026.66 and 260,166.71 is: 390,196.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,777.97 : 1,030,026.66 = 260,166.71 : x
  2. Step 2: Convert to fraction form
    686,777.97/1,030,026.66 = 260,166.71/x
  3. Step 3: Cross multiply
    686,777.97x = 1,030,026.66 × 260,166.71
  4. Step 4: Simplify right side
    686,777.97x = 267,978,642,194.36
  5. Step 5: Solve for x
    x = 267,978,642,194.36/686,777.97
  6. Step 6: Final answer
    x = 390,196.91

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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.