Home / 964,790.77-1,331,235.22-556,743.75

Finding the Fourth Proportional to 964,790.77, 1,331,235.22 and 556,743.75

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Solution

The fourth proportional to 964,790.77, 1,331,235.22 and 556,743.75 is: 768,204.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,790.77 : 1,331,235.22 = 556,743.75 : x
  2. Step 2: Convert to fraction form
    964,790.77/1,331,235.22 = 556,743.75/x
  3. Step 3: Cross multiply
    964,790.77x = 1,331,235.22 × 556,743.75
  4. Step 4: Simplify right side
    964,790.77x = 741,156,888,514.88
  5. Step 5: Solve for x
    x = 741,156,888,514.88/964,790.77
  6. Step 6: Final answer
    x = 768,204.79

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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.