Home / 790,741.92-1,091,225.88-428,170.26

Finding the Fourth Proportional to 790,741.92, 1,091,225.88 and 428,170.26

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Solution

The fourth proportional to 790,741.92, 1,091,225.88 and 428,170.26 is: 590,876.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,741.92 : 1,091,225.88 = 428,170.26 : x
  2. Step 2: Convert to fraction form
    790,741.92/1,091,225.88 = 428,170.26/x
  3. Step 3: Cross multiply
    790,741.92x = 1,091,225.88 × 428,170.26
  4. Step 4: Simplify right side
    790,741.92x = 467,230,468,758.33
  5. Step 5: Solve for x
    x = 467,230,468,758.33/790,741.92
  6. Step 6: Final answer
    x = 590,876.06

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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.