Home / 500,231.52-749,926.79-405,226.12

Finding the Fourth Proportional to 500,231.52, 749,926.79 and 405,226.12

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Solution

The fourth proportional to 500,231.52, 749,926.79 and 405,226.12 is: 607,498.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,231.52 : 749,926.79 = 405,226.12 : x
  2. Step 2: Convert to fraction form
    500,231.52/749,926.79 = 405,226.12/x
  3. Step 3: Cross multiply
    500,231.52x = 749,926.79 × 405,226.12
  4. Step 4: Simplify right side
    500,231.52x = 303,889,923,395.76
  5. Step 5: Solve for x
    x = 303,889,923,395.76/500,231.52
  6. Step 6: Final answer
    x = 607,498.55

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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.