Home / 456,403.14-684,766.89-203,660.64

Finding the Fourth Proportional to 456,403.14, 684,766.89 and 203,660.64

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Solution

The fourth proportional to 456,403.14, 684,766.89 and 203,660.64 is: 305,563.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,403.14 : 684,766.89 = 203,660.64 : x
  2. Step 2: Convert to fraction form
    456,403.14/684,766.89 = 203,660.64/x
  3. Step 3: Cross multiply
    456,403.14x = 684,766.89 × 203,660.64
  4. Step 4: Simplify right side
    456,403.14x = 139,460,063,068.21
  5. Step 5: Solve for x
    x = 139,460,063,068.21/456,403.14
  6. Step 6: Final answer
    x = 305,563.33

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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.