Home / 837,320.37-1,155,491.27-455,338.95

Finding the Fourth Proportional to 837,320.37, 1,155,491.27 and 455,338.95

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Solution

The fourth proportional to 837,320.37, 1,155,491.27 and 455,338.95 is: 628,361.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,320.37 : 1,155,491.27 = 455,338.95 : x
  2. Step 2: Convert to fraction form
    837,320.37/1,155,491.27 = 455,338.95/x
  3. Step 3: Cross multiply
    837,320.37x = 1,155,491.27 × 455,338.95
  4. Step 4: Simplify right side
    837,320.37x = 526,140,181,615.97
  5. Step 5: Solve for x
    x = 526,140,181,615.97/837,320.37
  6. Step 6: Final answer
    x = 628,361.86

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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.