Home / 981,429.18-1,472,379.06-475,398.74

Finding the Fourth Proportional to 981,429.18, 1,472,379.06 and 475,398.74

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Solution

The fourth proportional to 981,429.18, 1,472,379.06 and 475,398.74 is: 713,212.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,429.18 : 1,472,379.06 = 475,398.74 : x
  2. Step 2: Convert to fraction form
    981,429.18/1,472,379.06 = 475,398.74/x
  3. Step 3: Cross multiply
    981,429.18x = 1,472,379.06 × 475,398.74
  4. Step 4: Simplify right side
    981,429.18x = 699,967,149,926.38
  5. Step 5: Solve for x
    x = 699,967,149,926.38/981,429.18
  6. Step 6: Final answer
    x = 713,212.08

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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.