Home / 727,564.07-1,004,069.47-405,274.39

Finding the Fourth Proportional to 727,564.07, 1,004,069.47 and 405,274.39

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Solution

The fourth proportional to 727,564.07, 1,004,069.47 and 405,274.39 is: 559,295.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,564.07 : 1,004,069.47 = 405,274.39 : x
  2. Step 2: Convert to fraction form
    727,564.07/1,004,069.47 = 405,274.39/x
  3. Step 3: Cross multiply
    727,564.07x = 1,004,069.47 × 405,274.39
  4. Step 4: Simplify right side
    727,564.07x = 406,923,639,208.40
  5. Step 5: Solve for x
    x = 406,923,639,208.40/727,564.07
  6. Step 6: Final answer
    x = 559,295.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.