Home / 930,096-1,395,351.36-339,120

Finding the Fourth Proportional to 930,096, 1,395,351.36 and 339,120

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Solution

The fourth proportional to 930,096, 1,395,351.36 and 339,120 is: 508,755.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,096 : 1,395,351.36 = 339,120 : x
  2. Step 2: Convert to fraction form
    930,096/1,395,351.36 = 339,120/x
  3. Step 3: Cross multiply
    930,096x = 1,395,351.36 × 339,120
  4. Step 4: Simplify right side
    930,096x = 473,191,553,203.20
  5. Step 5: Solve for x
    x = 473,191,553,203.20/930,096
  6. Step 6: Final answer
    x = 508,755.61

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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.