Home / 842,572.26-1,162,465.83-479,739.51

Finding the Fourth Proportional to 842,572.26, 1,162,465.83 and 479,739.51

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Solution

The fourth proportional to 842,572.26, 1,162,465.83 and 479,739.51 is: 661,878.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,572.26 : 1,162,465.83 = 479,739.51 : x
  2. Step 2: Convert to fraction form
    842,572.26/1,162,465.83 = 479,739.51/x
  3. Step 3: Cross multiply
    842,572.26x = 1,162,465.83 × 479,739.51
  4. Step 4: Simplify right side
    842,572.26x = 557,680,787,675.94
  5. Step 5: Solve for x
    x = 557,680,787,675.94/842,572.26
  6. Step 6: Final answer
    x = 661,878.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.