Home / 679,735.50-1,019,537.01-206,424.96

Finding the Fourth Proportional to 679,735.50, 1,019,537.01 and 206,424.96

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Solution

The fourth proportional to 679,735.50, 1,019,537.01 and 206,424.96 is: 309,617.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,735.50 : 1,019,537.01 = 206,424.96 : x
  2. Step 2: Convert to fraction form
    679,735.50/1,019,537.01 = 206,424.96/x
  3. Step 3: Cross multiply
    679,735.50x = 1,019,537.01 × 206,424.96
  4. Step 4: Simplify right side
    679,735.50x = 210,457,886,507.77
  5. Step 5: Solve for x
    x = 210,457,886,507.77/679,735.50
  6. Step 6: Final answer
    x = 309,617.32

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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.