Home / 767,922.58-1,059,943.94-445,736.47

Finding the Fourth Proportional to 767,922.58, 1,059,943.94 and 445,736.47

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Solution

The fourth proportional to 767,922.58, 1,059,943.94 and 445,736.47 is: 615,238.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,922.58 : 1,059,943.94 = 445,736.47 : x
  2. Step 2: Convert to fraction form
    767,922.58/1,059,943.94 = 445,736.47/x
  3. Step 3: Cross multiply
    767,922.58x = 1,059,943.94 × 445,736.47
  4. Step 4: Simplify right side
    767,922.58x = 472,455,670,213.49
  5. Step 5: Solve for x
    x = 472,455,670,213.49/767,922.58
  6. Step 6: Final answer
    x = 615,238.67

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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.