Home / 780,431.06-1,170,078.86-527,083.52

Finding the Fourth Proportional to 780,431.06, 1,170,078.86 and 527,083.52

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Solution

The fourth proportional to 780,431.06, 1,170,078.86 and 527,083.52 is: 790,241.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,431.06 : 1,170,078.86 = 527,083.52 : x
  2. Step 2: Convert to fraction form
    780,431.06/1,170,078.86 = 527,083.52/x
  3. Step 3: Cross multiply
    780,431.06x = 1,170,078.86 × 527,083.52
  4. Step 4: Simplify right side
    780,431.06x = 616,729,284,206.39
  5. Step 5: Solve for x
    x = 616,729,284,206.39/780,431.06
  6. Step 6: Final answer
    x = 790,241.85

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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.