Home / 807,641.55-1,114,552.86-445,078.44

Finding the Fourth Proportional to 807,641.55, 1,114,552.86 and 445,078.44

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Solution

The fourth proportional to 807,641.55, 1,114,552.86 and 445,078.44 is: 614,212.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,641.55 : 1,114,552.86 = 445,078.44 : x
  2. Step 2: Convert to fraction form
    807,641.55/1,114,552.86 = 445,078.44/x
  3. Step 3: Cross multiply
    807,641.55x = 1,114,552.86 × 445,078.44
  4. Step 4: Simplify right side
    807,641.55x = 496,063,448,226.34
  5. Step 5: Solve for x
    x = 496,063,448,226.34/807,641.55
  6. Step 6: Final answer
    x = 614,212.39

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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.