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Finding the Fourth Proportional to 554,950.80, 765,834.12 and 300,301.96

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Solution

The fourth proportional to 554,950.80, 765,834.12 and 300,301.96 is: 414,417.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,950.80 : 765,834.12 = 300,301.96 : x
  2. Step 2: Convert to fraction form
    554,950.80/765,834.12 = 300,301.96/x
  3. Step 3: Cross multiply
    554,950.80x = 765,834.12 × 300,301.96
  4. Step 4: Simplify right side
    554,950.80x = 229,981,487,270.88
  5. Step 5: Solve for x
    x = 229,981,487,270.88/554,950.80
  6. Step 6: Final answer
    x = 414,417.80

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.