Home / 642,541.14-963,804.75-263,377.35

Finding the Fourth Proportional to 642,541.14, 963,804.75 and 263,377.35

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Solution

The fourth proportional to 642,541.14, 963,804.75 and 263,377.35 is: 395,063.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,541.14 : 963,804.75 = 263,377.35 : x
  2. Step 2: Convert to fraction form
    642,541.14/963,804.75 = 263,377.35/x
  3. Step 3: Cross multiply
    642,541.14x = 963,804.75 × 263,377.35
  4. Step 4: Simplify right side
    642,541.14x = 253,844,340,972.41
  5. Step 5: Solve for x
    x = 253,844,340,972.41/642,541.14
  6. Step 6: Final answer
    x = 395,063.17

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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.