Home / 807,762.92-1,114,669.48-445,114.56

Finding the Fourth Proportional to 807,762.92, 1,114,669.48 and 445,114.56

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Solution

The fourth proportional to 807,762.92, 1,114,669.48 and 445,114.56 is: 614,234.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,762.92 : 1,114,669.48 = 445,114.56 : x
  2. Step 2: Convert to fraction form
    807,762.92/1,114,669.48 = 445,114.56/x
  3. Step 3: Cross multiply
    807,762.92x = 1,114,669.48 × 445,114.56
  4. Step 4: Simplify right side
    807,762.92x = 496,155,615,135.63
  5. Step 5: Solve for x
    x = 496,155,615,135.63/807,762.92
  6. Step 6: Final answer
    x = 614,234.21

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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.