Home / 684,639.22-1,027,202.14-305,525.46

Finding the Fourth Proportional to 684,639.22, 1,027,202.14 and 305,525.46

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Solution

The fourth proportional to 684,639.22, 1,027,202.14 and 305,525.46 is: 458,396.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,639.22 : 1,027,202.14 = 305,525.46 : x
  2. Step 2: Convert to fraction form
    684,639.22/1,027,202.14 = 305,525.46/x
  3. Step 3: Cross multiply
    684,639.22x = 1,027,202.14 × 305,525.46
  4. Step 4: Simplify right side
    684,639.22x = 313,836,406,336.48
  5. Step 5: Solve for x
    x = 313,836,406,336.48/684,639.22
  6. Step 6: Final answer
    x = 458,396.77

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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.