Home / 837,529.28-1,155,893.02-493,347.43

Finding the Fourth Proportional to 837,529.28, 1,155,893.02 and 493,347.43

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Solution

The fourth proportional to 837,529.28, 1,155,893.02 and 493,347.43 is: 680,879.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,529.28 : 1,155,893.02 = 493,347.43 : x
  2. Step 2: Convert to fraction form
    837,529.28/1,155,893.02 = 493,347.43/x
  3. Step 3: Cross multiply
    837,529.28x = 1,155,893.02 × 493,347.43
  4. Step 4: Simplify right side
    837,529.28x = 570,256,844,481.54
  5. Step 5: Solve for x
    x = 570,256,844,481.54/837,529.28
  6. Step 6: Final answer
    x = 680,879.89

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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.