Home / 679,529.57-1,019,300.56-206,214.98

Finding the Fourth Proportional to 679,529.57, 1,019,300.56 and 206,214.98

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Solution

The fourth proportional to 679,529.57, 1,019,300.56 and 206,214.98 is: 309,324.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,529.57 : 1,019,300.56 = 206,214.98 : x
  2. Step 2: Convert to fraction form
    679,529.57/1,019,300.56 = 206,214.98/x
  3. Step 3: Cross multiply
    679,529.57x = 1,019,300.56 × 206,214.98
  4. Step 4: Simplify right side
    679,529.57x = 210,195,038,982.35
  5. Step 5: Solve for x
    x = 210,195,038,982.35/679,529.57
  6. Step 6: Final answer
    x = 309,324.35

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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.