Home / 790,704.23-1,091,167.24-428,120.60

Finding the Fourth Proportional to 790,704.23, 1,091,167.24 and 428,120.60

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Solution

The fourth proportional to 790,704.23, 1,091,167.24 and 428,120.60 is: 590,803.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,704.23 : 1,091,167.24 = 428,120.60 : x
  2. Step 2: Convert to fraction form
    790,704.23/1,091,167.24 = 428,120.60/x
  3. Step 3: Cross multiply
    790,704.23x = 1,091,167.24 × 428,120.60
  4. Step 4: Simplify right side
    790,704.23x = 467,151,173,489.14
  5. Step 5: Solve for x
    x = 467,151,173,489.14/790,704.23
  6. Step 6: Final answer
    x = 590,803.94

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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.