Home / 683,283.40-1,025,216.70-328,114.60

Finding the Fourth Proportional to 683,283.40, 1,025,216.70 and 328,114.60

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Solution

The fourth proportional to 683,283.40, 1,025,216.70 and 328,114.60 is: 492,311.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,283.40 : 1,025,216.70 = 328,114.60 : x
  2. Step 2: Convert to fraction form
    683,283.40/1,025,216.70 = 328,114.60/x
  3. Step 3: Cross multiply
    683,283.40x = 1,025,216.70 × 328,114.60
  4. Step 4: Simplify right side
    683,283.40x = 336,388,567,433.82
  5. Step 5: Solve for x
    x = 336,388,567,433.82/683,283.40
  6. Step 6: Final answer
    x = 492,311.93

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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.