Home / 779,192.19-1,168,315.25-305,309.79

Finding the Fourth Proportional to 779,192.19, 1,168,315.25 and 305,309.79

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Solution

The fourth proportional to 779,192.19, 1,168,315.25 and 305,309.79 is: 457,779.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,192.19 : 1,168,315.25 = 305,309.79 : x
  2. Step 2: Convert to fraction form
    779,192.19/1,168,315.25 = 305,309.79/x
  3. Step 3: Cross multiply
    779,192.19x = 1,168,315.25 × 305,309.79
  4. Step 4: Simplify right side
    779,192.19x = 356,698,082,104.75
  5. Step 5: Solve for x
    x = 356,698,082,104.75/779,192.19
  6. Step 6: Final answer
    x = 457,779.33

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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.