Home / 671,705.89-1,007,691.72-191,938.03

Finding the Fourth Proportional to 671,705.89, 1,007,691.72 and 191,938.03

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Solution

The fourth proportional to 671,705.89, 1,007,691.72 and 191,938.03 is: 287,945.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,705.89 : 1,007,691.72 = 191,938.03 : x
  2. Step 2: Convert to fraction form
    671,705.89/1,007,691.72 = 191,938.03/x
  3. Step 3: Cross multiply
    671,705.89x = 1,007,691.72 × 191,938.03
  4. Step 4: Simplify right side
    671,705.89x = 193,414,360,345.12
  5. Step 5: Solve for x
    x = 193,414,360,345.12/671,705.89
  6. Step 6: Final answer
    x = 287,945.01

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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.