Home / 709,857.30-1,065,077.55-260,793.30

Finding the Fourth Proportional to 709,857.30, 1,065,077.55 and 260,793.30

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Solution

The fourth proportional to 709,857.30, 1,065,077.55 and 260,793.30 is: 391,297.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,857.30 : 1,065,077.55 = 260,793.30 : x
  2. Step 2: Convert to fraction form
    709,857.30/1,065,077.55 = 260,793.30/x
  3. Step 3: Cross multiply
    709,857.30x = 1,065,077.55 × 260,793.30
  4. Step 4: Simplify right side
    709,857.30x = 277,765,089,020.42
  5. Step 5: Solve for x
    x = 277,765,089,020.42/709,857.30
  6. Step 6: Final answer
    x = 391,297.08

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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.