Home / 810,458.32-1,214,600.82-630,760.74

Finding the Fourth Proportional to 810,458.32, 1,214,600.82 and 630,760.74

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Solution

The fourth proportional to 810,458.32, 1,214,600.82 and 630,760.74 is: 945,295.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,458.32 : 1,214,600.82 = 630,760.74 : x
  2. Step 2: Convert to fraction form
    810,458.32/1,214,600.82 = 630,760.74/x
  3. Step 3: Cross multiply
    810,458.32x = 1,214,600.82 × 630,760.74
  4. Step 4: Simplify right side
    810,458.32x = 766,122,505,954.80
  5. Step 5: Solve for x
    x = 766,122,505,954.80/810,458.32
  6. Step 6: Final answer
    x = 945,295.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.