Home / 790,794.50-1,091,294.44-428,218.34

Finding the Fourth Proportional to 790,794.50, 1,091,294.44 and 428,218.34

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Solution

The fourth proportional to 790,794.50, 1,091,294.44 and 428,218.34 is: 590,940.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,794.50 : 1,091,294.44 = 428,218.34 : x
  2. Step 2: Convert to fraction form
    790,794.50/1,091,294.44 = 428,218.34/x
  3. Step 3: Cross multiply
    790,794.50x = 1,091,294.44 × 428,218.34
  4. Step 4: Simplify right side
    790,794.50x = 467,312,287,021.01
  5. Step 5: Solve for x
    x = 467,312,287,021.01/790,794.50
  6. Step 6: Final answer
    x = 590,940.23

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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.