Home / 780,021.58-1,170,170.61-293,693.26

Finding the Fourth Proportional to 780,021.58, 1,170,170.61 and 293,693.26

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Solution

The fourth proportional to 780,021.58, 1,170,170.61 and 293,693.26 is: 440,591.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,021.58 : 1,170,170.61 = 293,693.26 : x
  2. Step 2: Convert to fraction form
    780,021.58/1,170,170.61 = 293,693.26/x
  3. Step 3: Cross multiply
    780,021.58x = 1,170,170.61 × 293,693.26
  4. Step 4: Simplify right side
    780,021.58x = 343,671,221,207.09
  5. Step 5: Solve for x
    x = 343,671,221,207.09/780,021.58
  6. Step 6: Final answer
    x = 440,591.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.