Home / 683,552.40-1,025,474.40-210,285.60

Finding the Fourth Proportional to 683,552.40, 1,025,474.40 and 210,285.60

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Solution

The fourth proportional to 683,552.40, 1,025,474.40 and 210,285.60 is: 315,473.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,552.40 : 1,025,474.40 = 210,285.60 : x
  2. Step 2: Convert to fraction form
    683,552.40/1,025,474.40 = 210,285.60/x
  3. Step 3: Cross multiply
    683,552.40x = 1,025,474.40 × 210,285.60
  4. Step 4: Simplify right side
    683,552.40x = 215,642,499,488.64
  5. Step 5: Solve for x
    x = 215,642,499,488.64/683,552.40
  6. Step 6: Final answer
    x = 315,473.25

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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.