Home / 684,354.92-1,025,644.60-304,735.48

Finding the Fourth Proportional to 684,354.92, 1,025,644.60 and 304,735.48

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Solution

The fourth proportional to 684,354.92, 1,025,644.60 and 304,735.48 is: 456,707.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,354.92 : 1,025,644.60 = 304,735.48 : x
  2. Step 2: Convert to fraction form
    684,354.92/1,025,644.60 = 304,735.48/x
  3. Step 3: Cross multiply
    684,354.92x = 1,025,644.60 × 304,735.48
  4. Step 4: Simplify right side
    684,354.92x = 312,550,299,490.41
  5. Step 5: Solve for x
    x = 312,550,299,490.41/684,354.92
  6. Step 6: Final answer
    x = 456,707.90

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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.