Home / 427,067.76-589,325.46-245,750.45

Finding the Fourth Proportional to 427,067.76, 589,325.46 and 245,750.45

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Solution

The fourth proportional to 427,067.76, 589,325.46 and 245,750.45 is: 339,119.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,067.76 : 589,325.46 = 245,750.45 : x
  2. Step 2: Convert to fraction form
    427,067.76/589,325.46 = 245,750.45/x
  3. Step 3: Cross multiply
    427,067.76x = 589,325.46 × 245,750.45
  4. Step 4: Simplify right side
    427,067.76x = 144,826,994,044.83
  5. Step 5: Solve for x
    x = 144,826,994,044.83/427,067.76
  6. Step 6: Final answer
    x = 339,119.47

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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.