Home / 774,610.84-1,068,787.82-468,679.61

Finding the Fourth Proportional to 774,610.84, 1,068,787.82 and 468,679.61

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Solution

The fourth proportional to 774,610.84, 1,068,787.82 and 468,679.61 is: 646,671.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,610.84 : 1,068,787.82 = 468,679.61 : x
  2. Step 2: Convert to fraction form
    774,610.84/1,068,787.82 = 468,679.61/x
  3. Step 3: Cross multiply
    774,610.84x = 1,068,787.82 × 468,679.61
  4. Step 4: Simplify right side
    774,610.84x = 500,919,060,150.62
  5. Step 5: Solve for x
    x = 500,919,060,150.62/774,610.84
  6. Step 6: Final answer
    x = 646,671.90

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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.