Home / 981,865.70-1,472,783.76-441,740.54

Finding the Fourth Proportional to 981,865.70, 1,472,783.76 and 441,740.54

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Solution

The fourth proportional to 981,865.70, 1,472,783.76 and 441,740.54 is: 662,604.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,865.70 : 1,472,783.76 = 441,740.54 : x
  2. Step 2: Convert to fraction form
    981,865.70/1,472,783.76 = 441,740.54/x
  3. Step 3: Cross multiply
    981,865.70x = 1,472,783.76 × 441,740.54
  4. Step 4: Simplify right side
    981,865.70x = 650,588,293,445.63
  5. Step 5: Solve for x
    x = 650,588,293,445.63/981,865.70
  6. Step 6: Final answer
    x = 662,604.16

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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.