Home / 837,319.37-1,155,489.89-455,337.95

Finding the Fourth Proportional to 837,319.37, 1,155,489.89 and 455,337.95

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Solution

The fourth proportional to 837,319.37, 1,155,489.89 and 455,337.95 is: 628,360.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,319.37 : 1,155,489.89 = 455,337.95 : x
  2. Step 2: Convert to fraction form
    837,319.37/1,155,489.89 = 455,337.95/x
  3. Step 3: Cross multiply
    837,319.37x = 1,155,489.89 × 455,337.95
  4. Step 4: Simplify right side
    837,319.37x = 526,138,401,785.40
  5. Step 5: Solve for x
    x = 526,138,401,785.40/837,319.37
  6. Step 6: Final answer
    x = 628,360.48

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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.