Home / 684,348.92-1,025,635.60-304,729.48

Finding the Fourth Proportional to 684,348.92, 1,025,635.60 and 304,729.48

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Solution

The fourth proportional to 684,348.92, 1,025,635.60 and 304,729.48 is: 456,698.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,348.92 : 1,025,635.60 = 304,729.48 : x
  2. Step 2: Convert to fraction form
    684,348.92/1,025,635.60 = 304,729.48/x
  3. Step 3: Cross multiply
    684,348.92x = 1,025,635.60 × 304,729.48
  4. Step 4: Simplify right side
    684,348.92x = 312,541,403,057.49
  5. Step 5: Solve for x
    x = 312,541,403,057.49/684,348.92
  6. Step 6: Final answer
    x = 456,698.91

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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.