Home / 859,606.98-1,185,954.56-491,815.50

Finding the Fourth Proportional to 859,606.98, 1,185,954.56 and 491,815.50

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Solution

The fourth proportional to 859,606.98, 1,185,954.56 and 491,815.50 is: 678,531.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,606.98 : 1,185,954.56 = 491,815.50 : x
  2. Step 2: Convert to fraction form
    859,606.98/1,185,954.56 = 491,815.50/x
  3. Step 3: Cross multiply
    859,606.98x = 1,185,954.56 × 491,815.50
  4. Step 4: Simplify right side
    859,606.98x = 583,270,834,903.68
  5. Step 5: Solve for x
    x = 583,270,834,903.68/859,606.98
  6. Step 6: Final answer
    x = 678,531.99

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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.