Home / 727,119.63-1,091,177.69-253,804.95

Finding the Fourth Proportional to 727,119.63, 1,091,177.69 and 253,804.95

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Solution

The fourth proportional to 727,119.63, 1,091,177.69 and 253,804.95 is: 380,881.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,119.63 : 1,091,177.69 = 253,804.95 : x
  2. Step 2: Convert to fraction form
    727,119.63/1,091,177.69 = 253,804.95/x
  3. Step 3: Cross multiply
    727,119.63x = 1,091,177.69 × 253,804.95
  4. Step 4: Simplify right side
    727,119.63x = 276,946,297,782.54
  5. Step 5: Solve for x
    x = 276,946,297,782.54/727,119.63
  6. Step 6: Final answer
    x = 380,881.34

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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.