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Finding the Fourth Proportional to 768,958.44, 1,152,711.90 and 369,825

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Solution

The fourth proportional to 768,958.44, 1,152,711.90 and 369,825 is: 554,388.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,958.44 : 1,152,711.90 = 369,825 : x
  2. Step 2: Convert to fraction form
    768,958.44/1,152,711.90 = 369,825/x
  3. Step 3: Cross multiply
    768,958.44x = 1,152,711.90 × 369,825
  4. Step 4: Simplify right side
    768,958.44x = 426,301,678,417.50
  5. Step 5: Solve for x
    x = 426,301,678,417.50/768,958.44
  6. Step 6: Final answer
    x = 554,388.45

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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.