Home / 692,610.66-1,039,245.06-479,706.24

Finding the Fourth Proportional to 692,610.66, 1,039,245.06 and 479,706.24

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Solution

The fourth proportional to 692,610.66, 1,039,245.06 and 479,706.24 is: 719,787.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,610.66 : 1,039,245.06 = 479,706.24 : x
  2. Step 2: Convert to fraction form
    692,610.66/1,039,245.06 = 479,706.24/x
  3. Step 3: Cross multiply
    692,610.66x = 1,039,245.06 × 479,706.24
  4. Step 4: Simplify right side
    692,610.66x = 498,532,340,171.17
  5. Step 5: Solve for x
    x = 498,532,340,171.17/692,610.66
  6. Step 6: Final answer
    x = 719,787.28

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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.