Home / 914,067.78-1,370,262-314,886.48

Finding the Fourth Proportional to 914,067.78, 1,370,262 and 314,886.48

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Solution

The fourth proportional to 914,067.78, 1,370,262 and 314,886.48 is: 472,040.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,067.78 : 1,370,262 = 314,886.48 : x
  2. Step 2: Convert to fraction form
    914,067.78/1,370,262 = 314,886.48/x
  3. Step 3: Cross multiply
    914,067.78x = 1,370,262 × 314,886.48
  4. Step 4: Simplify right side
    914,067.78x = 431,476,977,857.76
  5. Step 5: Solve for x
    x = 431,476,977,857.76/914,067.78
  6. Step 6: Final answer
    x = 472,040.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.