Home / 785,994.84-1,179,063.54-217,411.56

Finding the Fourth Proportional to 785,994.84, 1,179,063.54 and 217,411.56

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Solution

The fourth proportional to 785,994.84, 1,179,063.54 and 217,411.56 is: 326,137.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,994.84 : 1,179,063.54 = 217,411.56 : x
  2. Step 2: Convert to fraction form
    785,994.84/1,179,063.54 = 217,411.56/x
  3. Step 3: Cross multiply
    785,994.84x = 1,179,063.54 × 217,411.56
  4. Step 4: Simplify right side
    785,994.84x = 256,342,043,570.52
  5. Step 5: Solve for x
    x = 256,342,043,570.52/785,994.84
  6. Step 6: Final answer
    x = 326,137.06

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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.