Home / 727,150.70-1,003,429.49-417,037.28

Finding the Fourth Proportional to 727,150.70, 1,003,429.49 and 417,037.28

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Solution

The fourth proportional to 727,150.70, 1,003,429.49 and 417,037.28 is: 575,489.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,150.70 : 1,003,429.49 = 417,037.28 : x
  2. Step 2: Convert to fraction form
    727,150.70/1,003,429.49 = 417,037.28/x
  3. Step 3: Cross multiply
    727,150.70x = 1,003,429.49 × 417,037.28
  4. Step 4: Simplify right side
    727,150.70x = 418,467,498,079.05
  5. Step 5: Solve for x
    x = 418,467,498,079.05/727,150.70
  6. Step 6: Final answer
    x = 575,489.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.