Home / 671,351.60-1,007,027.40-272,005.40

Finding the Fourth Proportional to 671,351.60, 1,007,027.40 and 272,005.40

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Solution

The fourth proportional to 671,351.60, 1,007,027.40 and 272,005.40 is: 408,008.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,351.60 : 1,007,027.40 = 272,005.40 : x
  2. Step 2: Convert to fraction form
    671,351.60/1,007,027.40 = 272,005.40/x
  3. Step 3: Cross multiply
    671,351.60x = 1,007,027.40 × 272,005.40
  4. Step 4: Simplify right side
    671,351.60x = 273,916,890,747.96
  5. Step 5: Solve for x
    x = 273,916,890,747.96/671,351.60
  6. Step 6: Final answer
    x = 408,008.10

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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.