Home / 790,756.02-1,091,261.97-451,255.86

Finding the Fourth Proportional to 790,756.02, 1,091,261.97 and 451,255.86

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Solution

The fourth proportional to 790,756.02, 1,091,261.97 and 451,255.86 is: 622,743.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,756.02 : 1,091,261.97 = 451,255.86 : x
  2. Step 2: Convert to fraction form
    790,756.02/1,091,261.97 = 451,255.86/x
  3. Step 3: Cross multiply
    790,756.02x = 1,091,261.97 × 451,255.86
  4. Step 4: Simplify right side
    790,756.02x = 492,438,358,757.64
  5. Step 5: Solve for x
    x = 492,438,358,757.64/790,756.02
  6. Step 6: Final answer
    x = 622,743.74

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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.