Home / 779,418.36-1,169,161.56-246,978.66

Finding the Fourth Proportional to 779,418.36, 1,169,161.56 and 246,978.66

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Solution

The fourth proportional to 779,418.36, 1,169,161.56 and 246,978.66 is: 370,478.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,418.36 : 1,169,161.56 = 246,978.66 : x
  2. Step 2: Convert to fraction form
    779,418.36/1,169,161.56 = 246,978.66/x
  3. Step 3: Cross multiply
    779,418.36x = 1,169,161.56 × 246,978.66
  4. Step 4: Simplify right side
    779,418.36x = 288,757,955,412.31
  5. Step 5: Solve for x
    x = 288,757,955,412.31/779,418.36
  6. Step 6: Final answer
    x = 370,478.77

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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.