Home / 837,250.20-1,155,392.10-455,273.64

Finding the Fourth Proportional to 837,250.20, 1,155,392.10 and 455,273.64

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Solution

The fourth proportional to 837,250.20, 1,155,392.10 and 455,273.64 is: 628,270.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,250.20 : 1,155,392.10 = 455,273.64 : x
  2. Step 2: Convert to fraction form
    837,250.20/1,155,392.10 = 455,273.64/x
  3. Step 3: Cross multiply
    837,250.20x = 1,155,392.10 × 455,273.64
  4. Step 4: Simplify right side
    837,250.20x = 526,019,566,994.24
  5. Step 5: Solve for x
    x = 526,019,566,994.24/837,250.20
  6. Step 6: Final answer
    x = 628,270.46

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1.5x scale

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.