Home / 781,567.35-1,171,738.58-308,606.73

Finding the Fourth Proportional to 781,567.35, 1,171,738.58 and 308,606.73

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Solution

The fourth proportional to 781,567.35, 1,171,738.58 and 308,606.73 is: 462,668.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,567.35 : 1,171,738.58 = 308,606.73 : x
  2. Step 2: Convert to fraction form
    781,567.35/1,171,738.58 = 308,606.73/x
  3. Step 3: Cross multiply
    781,567.35x = 1,171,738.58 × 308,606.73
  4. Step 4: Simplify right side
    781,567.35x = 361,606,405,651.59
  5. Step 5: Solve for x
    x = 361,606,405,651.59/781,567.35
  6. Step 6: Final answer
    x = 462,668.26

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Double scale
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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.