Home / 894,659.19-1,342,113.39-287,465.77

Finding the Fourth Proportional to 894,659.19, 1,342,113.39 and 287,465.77

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Solution

The fourth proportional to 894,659.19, 1,342,113.39 and 287,465.77 is: 431,238.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,659.19 : 1,342,113.39 = 287,465.77 : x
  2. Step 2: Convert to fraction form
    894,659.19/1,342,113.39 = 287,465.77/x
  3. Step 3: Cross multiply
    894,659.19x = 1,342,113.39 × 287,465.77
  4. Step 4: Simplify right side
    894,659.19x = 385,811,659,083.66
  5. Step 5: Solve for x
    x = 385,811,659,083.66/894,659.19
  6. Step 6: Final answer
    x = 431,238.69

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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.