Home / 671,871.40-1,007,807.10-251,092.60

Finding the Fourth Proportional to 671,871.40, 1,007,807.10 and 251,092.60

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Solution

The fourth proportional to 671,871.40, 1,007,807.10 and 251,092.60 is: 376,638.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,871.40 : 1,007,807.10 = 251,092.60 : x
  2. Step 2: Convert to fraction form
    671,871.40/1,007,807.10 = 251,092.60/x
  3. Step 3: Cross multiply
    671,871.40x = 1,007,807.10 × 251,092.60
  4. Step 4: Simplify right side
    671,871.40x = 253,052,905,037.46
  5. Step 5: Solve for x
    x = 253,052,905,037.46/671,871.40
  6. Step 6: Final answer
    x = 376,638.90

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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.