Home / 837,242.20-1,155,381.06-455,265.64

Finding the Fourth Proportional to 837,242.20, 1,155,381.06 and 455,265.64

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Solution

The fourth proportional to 837,242.20, 1,155,381.06 and 455,265.64 is: 628,259.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,242.20 : 1,155,381.06 = 455,265.64 : x
  2. Step 2: Convert to fraction form
    837,242.20/1,155,381.06 = 455,265.64/x
  3. Step 3: Cross multiply
    837,242.20x = 1,155,381.06 × 455,265.64
  4. Step 4: Simplify right side
    837,242.20x = 526,005,297,724.78
  5. Step 5: Solve for x
    x = 526,005,297,724.78/837,242.20
  6. Step 6: Final answer
    x = 628,259.42

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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.