Home / 807,795.74-1,114,712.55-445,218.48

Finding the Fourth Proportional to 807,795.74, 1,114,712.55 and 445,218.48

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Solution

The fourth proportional to 807,795.74, 1,114,712.55 and 445,218.48 is: 614,376.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,795.74 : 1,114,712.55 = 445,218.48 : x
  2. Step 2: Convert to fraction form
    807,795.74/1,114,712.55 = 445,218.48/x
  3. Step 3: Cross multiply
    807,795.74x = 1,114,712.55 × 445,218.48
  4. Step 4: Simplify right side
    807,795.74x = 496,290,627,147.92
  5. Step 5: Solve for x
    x = 496,290,627,147.92/807,795.74
  6. Step 6: Final answer
    x = 614,376.38

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1.5x scale

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.