Home / 769,468.23-1,154,202.39-208,502.73

Finding the Fourth Proportional to 769,468.23, 1,154,202.39 and 208,502.73

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Solution

The fourth proportional to 769,468.23, 1,154,202.39 and 208,502.73 is: 312,754.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,468.23 : 1,154,202.39 = 208,502.73 : x
  2. Step 2: Convert to fraction form
    769,468.23/1,154,202.39 = 208,502.73/x
  3. Step 3: Cross multiply
    769,468.23x = 1,154,202.39 × 208,502.73
  4. Step 4: Simplify right side
    769,468.23x = 240,654,349,287.53
  5. Step 5: Solve for x
    x = 240,654,349,287.53/769,468.23
  6. Step 6: Final answer
    x = 312,754.11

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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.