Home / 790,645.23-1,091,091.06-428,069.34

Finding the Fourth Proportional to 790,645.23, 1,091,091.06 and 428,069.34

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Solution

The fourth proportional to 790,645.23, 1,091,091.06 and 428,069.34 is: 590,736.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,645.23 : 1,091,091.06 = 428,069.34 : x
  2. Step 2: Convert to fraction form
    790,645.23/1,091,091.06 = 428,069.34/x
  3. Step 3: Cross multiply
    790,645.23x = 1,091,091.06 × 428,069.34
  4. Step 4: Simplify right side
    790,645.23x = 467,062,629,934.10
  5. Step 5: Solve for x
    x = 467,062,629,934.10/790,645.23
  6. Step 6: Final answer
    x = 590,736.04

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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.