Home / 679,028.40-1,018,648.26-205,601.04

Finding the Fourth Proportional to 679,028.40, 1,018,648.26 and 205,601.04

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Solution

The fourth proportional to 679,028.40, 1,018,648.26 and 205,601.04 is: 308,433.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,028.40 : 1,018,648.26 = 205,601.04 : x
  2. Step 2: Convert to fraction form
    679,028.40/1,018,648.26 = 205,601.04/x
  3. Step 3: Cross multiply
    679,028.40x = 1,018,648.26 × 205,601.04
  4. Step 4: Simplify right side
    679,028.40x = 209,435,141,650.19
  5. Step 5: Solve for x
    x = 209,435,141,650.19/679,028.40
  6. Step 6: Final answer
    x = 308,433.55

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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.