Home / 790,179.96-1,185,458.57-257,701.50

Finding the Fourth Proportional to 790,179.96, 1,185,458.57 and 257,701.50

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Solution

The fourth proportional to 790,179.96, 1,185,458.57 and 257,701.50 is: 386,613.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,179.96 : 1,185,458.57 = 257,701.50 : x
  2. Step 2: Convert to fraction form
    790,179.96/1,185,458.57 = 257,701.50/x
  3. Step 3: Cross multiply
    790,179.96x = 1,185,458.57 × 257,701.50
  4. Step 4: Simplify right side
    790,179.96x = 305,494,450,629.94
  5. Step 5: Solve for x
    x = 305,494,450,629.94/790,179.96
  6. Step 6: Final answer
    x = 386,613.77

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Similar ratio
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1.5x scale

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.