Home / 679,401.73-1,019,201.01-252,902.10

Finding the Fourth Proportional to 679,401.73, 1,019,201.01 and 252,902.10

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Solution

The fourth proportional to 679,401.73, 1,019,201.01 and 252,902.10 is: 379,389.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,401.73 : 1,019,201.01 = 252,902.10 : x
  2. Step 2: Convert to fraction form
    679,401.73/1,019,201.01 = 252,902.10/x
  3. Step 3: Cross multiply
    679,401.73x = 1,019,201.01 × 252,902.10
  4. Step 4: Simplify right side
    679,401.73x = 257,758,075,751.12
  5. Step 5: Solve for x
    x = 257,758,075,751.12/679,401.73
  6. Step 6: Final answer
    x = 379,389.78

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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.