Home / 947,284.81-1,421,021.98-273,382.63

Finding the Fourth Proportional to 947,284.81, 1,421,021.98 and 273,382.63

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Solution

The fourth proportional to 947,284.81, 1,421,021.98 and 273,382.63 is: 410,101.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,284.81 : 1,421,021.98 = 273,382.63 : x
  2. Step 2: Convert to fraction form
    947,284.81/1,421,021.98 = 273,382.63/x
  3. Step 3: Cross multiply
    947,284.81x = 1,421,021.98 × 273,382.63
  4. Step 4: Simplify right side
    947,284.81x = 388,482,722,969.38
  5. Step 5: Solve for x
    x = 388,482,722,969.38/947,284.81
  6. Step 6: Final answer
    x = 410,101.29

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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.