Home / 678,380.02-1,017,579.27-251,751

Finding the Fourth Proportional to 678,380.02, 1,017,579.27 and 251,751

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Solution

The fourth proportional to 678,380.02, 1,017,579.27 and 251,751 is: 377,629.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,380.02 : 1,017,579.27 = 251,751 : x
  2. Step 2: Convert to fraction form
    678,380.02/1,017,579.27 = 251,751/x
  3. Step 3: Cross multiply
    678,380.02x = 1,017,579.27 × 251,751
  4. Step 4: Simplify right side
    678,380.02x = 256,176,598,801.77
  5. Step 5: Solve for x
    x = 256,176,598,801.77/678,380.02
  6. Step 6: Final answer
    x = 377,629.93

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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.