Home / 760,198.68-1,139,961.04-405,146.52

Finding the Fourth Proportional to 760,198.68, 1,139,961.04 and 405,146.52

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Solution

The fourth proportional to 760,198.68, 1,139,961.04 and 405,146.52 is: 607,540.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,198.68 : 1,139,961.04 = 405,146.52 : x
  2. Step 2: Convert to fraction form
    760,198.68/1,139,961.04 = 405,146.52/x
  3. Step 3: Cross multiply
    760,198.68x = 1,139,961.04 × 405,146.52
  4. Step 4: Simplify right side
    760,198.68x = 461,851,248,291.58
  5. Step 5: Solve for x
    x = 461,851,248,291.58/760,198.68
  6. Step 6: Final answer
    x = 607,540.19

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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.