Home / 708,111.45-1,062,610.04-287,387.33

Finding the Fourth Proportional to 708,111.45, 1,062,610.04 and 287,387.33

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Solution

The fourth proportional to 708,111.45, 1,062,610.04 and 287,387.33 is: 431,260.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,111.45 : 1,062,610.04 = 287,387.33 : x
  2. Step 2: Convert to fraction form
    708,111.45/1,062,610.04 = 287,387.33/x
  3. Step 3: Cross multiply
    708,111.45x = 1,062,610.04 × 287,387.33
  4. Step 4: Simplify right side
    708,111.45x = 305,380,657,632.21
  5. Step 5: Solve for x
    x = 305,380,657,632.21/708,111.45
  6. Step 6: Final answer
    x = 431,260.73

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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.