Home / 981,266.67-1,471,898.82-307,400.46

Finding the Fourth Proportional to 981,266.67, 1,471,898.82 and 307,400.46

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Solution

The fourth proportional to 981,266.67, 1,471,898.82 and 307,400.46 is: 461,100.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,266.67 : 1,471,898.82 = 307,400.46 : x
  2. Step 2: Convert to fraction form
    981,266.67/1,471,898.82 = 307,400.46/x
  3. Step 3: Cross multiply
    981,266.67x = 1,471,898.82 × 307,400.46
  4. Step 4: Simplify right side
    981,266.67x = 452,462,374,341.46
  5. Step 5: Solve for x
    x = 452,462,374,341.46/981,266.67
  6. Step 6: Final answer
    x = 461,100.32

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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.