Home / 807,744.65-1,114,683.94-445,167.72

Finding the Fourth Proportional to 807,744.65, 1,114,683.94 and 445,167.72

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Solution

The fourth proportional to 807,744.65, 1,114,683.94 and 445,167.72 is: 614,329.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,744.65 : 1,114,683.94 = 445,167.72 : x
  2. Step 2: Convert to fraction form
    807,744.65/1,114,683.94 = 445,167.72/x
  3. Step 3: Cross multiply
    807,744.65x = 1,114,683.94 × 445,167.72
  4. Step 4: Simplify right side
    807,744.65x = 496,221,308,646.88
  5. Step 5: Solve for x
    x = 496,221,308,646.88/807,744.65
  6. Step 6: Final answer
    x = 614,329.43

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Why These Related Problems?

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