Home / 727,086.64-1,091,128.27-253,772.00

Finding the Fourth Proportional to 727,086.64, 1,091,128.27 and 253,772.00

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Solution

The fourth proportional to 727,086.64, 1,091,128.27 and 253,772.00 is: 380,831.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,086.64 : 1,091,128.27 = 253,772.00 : x
  2. Step 2: Convert to fraction form
    727,086.64/1,091,128.27 = 253,772.00/x
  3. Step 3: Cross multiply
    727,086.64x = 1,091,128.27 × 253,772.00
  4. Step 4: Simplify right side
    727,086.64x = 276,897,798,743.12
  5. Step 5: Solve for x
    x = 276,897,798,743.12/727,086.64
  6. Step 6: Final answer
    x = 380,831.92

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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.