Home / 872,694.77-1,308,626.09-304,005.92

Finding the Fourth Proportional to 872,694.77, 1,308,626.09 and 304,005.92

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Solution

The fourth proportional to 872,694.77, 1,308,626.09 and 304,005.92 is: 455,863.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,694.77 : 1,308,626.09 = 304,005.92 : x
  2. Step 2: Convert to fraction form
    872,694.77/1,308,626.09 = 304,005.92/x
  3. Step 3: Cross multiply
    872,694.77x = 1,308,626.09 × 304,005.92
  4. Step 4: Simplify right side
    872,694.77x = 397,830,076,906.42
  5. Step 5: Solve for x
    x = 397,830,076,906.42/872,694.77
  6. Step 6: Final answer
    x = 455,863.94

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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.