Home / 947,696.52-1,421,335.16-273,631.54

Finding the Fourth Proportional to 947,696.52, 1,421,335.16 and 273,631.54

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Solution

The fourth proportional to 947,696.52, 1,421,335.16 and 273,631.54 is: 410,386.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,696.52 : 1,421,335.16 = 273,631.54 : x
  2. Step 2: Convert to fraction form
    947,696.52/1,421,335.16 = 273,631.54/x
  3. Step 3: Cross multiply
    947,696.52x = 1,421,335.16 × 273,631.54
  4. Step 4: Simplify right side
    947,696.52x = 388,922,128,686.95
  5. Step 5: Solve for x
    x = 388,922,128,686.95/947,696.52
  6. Step 6: Final answer
    x = 410,386.79

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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.