Home / 559,786.14-772,504.90-305,137.33

Finding the Fourth Proportional to 559,786.14, 772,504.90 and 305,137.33

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Solution

The fourth proportional to 559,786.14, 772,504.90 and 305,137.33 is: 421,089.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,786.14 : 772,504.90 = 305,137.33 : x
  2. Step 2: Convert to fraction form
    559,786.14/772,504.90 = 305,137.33/x
  3. Step 3: Cross multiply
    559,786.14x = 772,504.90 × 305,137.33
  4. Step 4: Simplify right side
    559,786.14x = 235,720,079,903.81
  5. Step 5: Solve for x
    x = 235,720,079,903.81/559,786.14
  6. Step 6: Final answer
    x = 421,089.53

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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.