Home / 767,634.54-1,059,346.66-445,442.05

Finding the Fourth Proportional to 767,634.54, 1,059,346.66 and 445,442.05

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Solution

The fourth proportional to 767,634.54, 1,059,346.66 and 445,442.05 is: 614,716.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,634.54 : 1,059,346.66 = 445,442.05 : x
  2. Step 2: Convert to fraction form
    767,634.54/1,059,346.66 = 445,442.05/x
  3. Step 3: Cross multiply
    767,634.54x = 1,059,346.66 × 445,442.05
  4. Step 4: Simplify right side
    767,634.54x = 471,877,547,891.05
  5. Step 5: Solve for x
    x = 471,877,547,891.05/767,634.54
  6. Step 6: Final answer
    x = 614,716.41

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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.