Home / 760,940.82-1,141,486.76-281,294.33

Finding the Fourth Proportional to 760,940.82, 1,141,486.76 and 281,294.33

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Solution

The fourth proportional to 760,940.82, 1,141,486.76 and 281,294.33 is: 421,969.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,940.82 : 1,141,486.76 = 281,294.33 : x
  2. Step 2: Convert to fraction form
    760,940.82/1,141,486.76 = 281,294.33/x
  3. Step 3: Cross multiply
    760,940.82x = 1,141,486.76 × 281,294.33
  4. Step 4: Simplify right side
    760,940.82x = 321,093,748,353.87
  5. Step 5: Solve for x
    x = 321,093,748,353.87/760,940.82
  6. Step 6: Final answer
    x = 421,969.41

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1.5x scale

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.