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Finding the Fourth Proportional to 770,067, 1,155,567.06 and 326,835

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Solution

The fourth proportional to 770,067, 1,155,567.06 and 326,835 is: 490,450.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,067 : 1,155,567.06 = 326,835 : x
  2. Step 2: Convert to fraction form
    770,067/1,155,567.06 = 326,835/x
  3. Step 3: Cross multiply
    770,067x = 1,155,567.06 × 326,835
  4. Step 4: Simplify right side
    770,067x = 377,679,760,055.10
  5. Step 5: Solve for x
    x = 377,679,760,055.10/770,067
  6. Step 6: Final answer
    x = 490,450.52

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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.