Home / 760,743.14-1,141,328.03-305,653.95

Finding the Fourth Proportional to 760,743.14, 1,141,328.03 and 305,653.95

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Solution

The fourth proportional to 760,743.14, 1,141,328.03 and 305,653.95 is: 458,566.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,743.14 : 1,141,328.03 = 305,653.95 : x
  2. Step 2: Convert to fraction form
    760,743.14/1,141,328.03 = 305,653.95/x
  3. Step 3: Cross multiply
    760,743.14x = 1,141,328.03 × 305,653.95
  4. Step 4: Simplify right side
    760,743.14x = 348,851,419,086.95
  5. Step 5: Solve for x
    x = 348,851,419,086.95/760,743.14
  6. Step 6: Final answer
    x = 458,566.63

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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.