Home / 678,425.40-1,017,753.30-362,796.60

Finding the Fourth Proportional to 678,425.40, 1,017,753.30 and 362,796.60

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Solution

The fourth proportional to 678,425.40, 1,017,753.30 and 362,796.60 is: 544,256.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,425.40 : 1,017,753.30 = 362,796.60 : x
  2. Step 2: Convert to fraction form
    678,425.40/1,017,753.30 = 362,796.60/x
  3. Step 3: Cross multiply
    678,425.40x = 1,017,753.30 × 362,796.60
  4. Step 4: Simplify right side
    678,425.40x = 369,237,436,878.78
  5. Step 5: Solve for x
    x = 369,237,436,878.78/678,425.40
  6. Step 6: Final answer
    x = 544,256.50

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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.