Home / 981,474.77-1,472,212.50-307,608.36

Finding the Fourth Proportional to 981,474.77, 1,472,212.50 and 307,608.36

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Solution

The fourth proportional to 981,474.77, 1,472,212.50 and 307,608.36 is: 461,412.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,474.77 : 1,472,212.50 = 307,608.36 : x
  2. Step 2: Convert to fraction form
    981,474.77/1,472,212.50 = 307,608.36/x
  3. Step 3: Cross multiply
    981,474.77x = 1,472,212.50 × 307,608.36
  4. Step 4: Simplify right side
    981,474.77x = 452,864,871,460.51
  5. Step 5: Solve for x
    x = 452,864,871,460.51/981,474.77
  6. Step 6: Final answer
    x = 461,412.65

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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.