Home / 709,169.36-1,062,778.31-303,876.40

Finding the Fourth Proportional to 709,169.36, 1,062,778.31 and 303,876.40

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Solution

The fourth proportional to 709,169.36, 1,062,778.31 and 303,876.40 is: 455,396.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,169.36 : 1,062,778.31 = 303,876.40 : x
  2. Step 2: Convert to fraction form
    709,169.36/1,062,778.31 = 303,876.40/x
  3. Step 3: Cross multiply
    709,169.36x = 1,062,778.31 × 303,876.40
  4. Step 4: Simplify right side
    709,169.36x = 322,953,246,840.88
  5. Step 5: Solve for x
    x = 322,953,246,840.88/709,169.36
  6. Step 6: Final answer
    x = 455,396.50

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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.