Home / 807,622.65-1,114,516.96-445,046.41

Finding the Fourth Proportional to 807,622.65, 1,114,516.96 and 445,046.41

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Solution

The fourth proportional to 807,622.65, 1,114,516.96 and 445,046.41 is: 614,162.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,622.65 : 1,114,516.96 = 445,046.41 : x
  2. Step 2: Convert to fraction form
    807,622.65/1,114,516.96 = 445,046.41/x
  3. Step 3: Cross multiply
    807,622.65x = 1,114,516.96 × 445,046.41
  4. Step 4: Simplify right side
    807,622.65x = 496,011,773,154.08
  5. Step 5: Solve for x
    x = 496,011,773,154.08/807,622.65
  6. Step 6: Final answer
    x = 614,162.78

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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.