Home / 725,731.20-1,088,596.80-525,110.40

Finding the Fourth Proportional to 725,731.20, 1,088,596.80 and 525,110.40

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Solution

The fourth proportional to 725,731.20, 1,088,596.80 and 525,110.40 is: 787,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,731.20 : 1,088,596.80 = 525,110.40 : x
  2. Step 2: Convert to fraction form
    725,731.20/1,088,596.80 = 525,110.40/x
  3. Step 3: Cross multiply
    725,731.20x = 1,088,596.80 × 525,110.40
  4. Step 4: Simplify right side
    725,731.20x = 571,633,501,086.72
  5. Step 5: Solve for x
    x = 571,633,501,086.72/725,731.20
  6. Step 6: Final answer
    x = 787,665.60

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