Home / 981,223.26-1,472,405.93-412,563.16

Finding the Fourth Proportional to 981,223.26, 1,472,405.93 and 412,563.16

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Solution

The fourth proportional to 981,223.26, 1,472,405.93 and 412,563.16 is: 619,084.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,223.26 : 1,472,405.93 = 412,563.16 : x
  2. Step 2: Convert to fraction form
    981,223.26/1,472,405.93 = 412,563.16/x
  3. Step 3: Cross multiply
    981,223.26x = 1,472,405.93 × 412,563.16
  4. Step 4: Simplify right side
    981,223.26x = 607,460,443,283.54
  5. Step 5: Solve for x
    x = 607,460,443,283.54/981,223.26
  6. Step 6: Final answer
    x = 619,084.84

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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.