Home / 714,529.78-1,072,005.22-287,846.04

Finding the Fourth Proportional to 714,529.78, 1,072,005.22 and 287,846.04

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Solution

The fourth proportional to 714,529.78, 1,072,005.22 and 287,846.04 is: 431,853.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,529.78 : 1,072,005.22 = 287,846.04 : x
  2. Step 2: Convert to fraction form
    714,529.78/1,072,005.22 = 287,846.04/x
  3. Step 3: Cross multiply
    714,529.78x = 1,072,005.22 × 287,846.04
  4. Step 4: Simplify right side
    714,529.78x = 308,572,457,436.33
  5. Step 5: Solve for x
    x = 308,572,457,436.33/714,529.78
  6. Step 6: Final answer
    x = 431,853.88

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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.