Home / 981,016.80-1,470,747.60-537,784.80

Finding the Fourth Proportional to 981,016.80, 1,470,747.60 and 537,784.80

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Solution

The fourth proportional to 981,016.80, 1,470,747.60 and 537,784.80 is: 806,250.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,016.80 : 1,470,747.60 = 537,784.80 : x
  2. Step 2: Convert to fraction form
    981,016.80/1,470,747.60 = 537,784.80/x
  3. Step 3: Cross multiply
    981,016.80x = 1,470,747.60 × 537,784.80
  4. Step 4: Simplify right side
    981,016.80x = 790,945,703,916.48
  5. Step 5: Solve for x
    x = 790,945,703,916.48/981,016.80
  6. Step 6: Final answer
    x = 806,250.93

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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.