Home / 708,193.16-1,062,286.86-287,465.48

Finding the Fourth Proportional to 708,193.16, 1,062,286.86 and 287,465.48

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Solution

The fourth proportional to 708,193.16, 1,062,286.86 and 287,465.48 is: 431,197.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,193.16 : 1,062,286.86 = 287,465.48 : x
  2. Step 2: Convert to fraction form
    708,193.16/1,062,286.86 = 287,465.48/x
  3. Step 3: Cross multiply
    708,193.16x = 1,062,286.86 × 287,465.48
  4. Step 4: Simplify right side
    708,193.16x = 305,370,802,107.59
  5. Step 5: Solve for x
    x = 305,370,802,107.59/708,193.16
  6. Step 6: Final answer
    x = 431,197.05

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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.