Home / 719,958.49-1,079,999.75-187,480.49

Finding the Fourth Proportional to 719,958.49, 1,079,999.75 and 187,480.49

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Solution

The fourth proportional to 719,958.49, 1,079,999.75 and 187,480.49 is: 281,236.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,958.49 : 1,079,999.75 = 187,480.49 : x
  2. Step 2: Convert to fraction form
    719,958.49/1,079,999.75 = 187,480.49/x
  3. Step 3: Cross multiply
    719,958.49x = 1,079,999.75 × 187,480.49
  4. Step 4: Simplify right side
    719,958.49x = 202,478,881,448.58
  5. Step 5: Solve for x
    x = 202,478,881,448.58/719,958.49
  6. Step 6: Final answer
    x = 281,236.88

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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.