Home / 765,617.51-1,148,338.78-204,695.75

Finding the Fourth Proportional to 765,617.51, 1,148,338.78 and 204,695.75

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Solution

The fourth proportional to 765,617.51, 1,148,338.78 and 204,695.75 is: 307,020.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,617.51 : 1,148,338.78 = 204,695.75 : x
  2. Step 2: Convert to fraction form
    765,617.51/1,148,338.78 = 204,695.75/x
  3. Step 3: Cross multiply
    765,617.51x = 1,148,338.78 × 204,695.75
  4. Step 4: Simplify right side
    765,617.51x = 235,060,067,826.19
  5. Step 5: Solve for x
    x = 235,060,067,826.19/765,617.51
  6. Step 6: Final answer
    x = 307,020.23

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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.