Home / 872,021.16-1,308,629.52-339,544.98

Finding the Fourth Proportional to 872,021.16, 1,308,629.52 and 339,544.98

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Solution

The fourth proportional to 872,021.16, 1,308,629.52 and 339,544.98 is: 509,550.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,021.16 : 1,308,629.52 = 339,544.98 : x
  2. Step 2: Convert to fraction form
    872,021.16/1,308,629.52 = 339,544.98/x
  3. Step 3: Cross multiply
    872,021.16x = 1,308,629.52 × 339,544.98
  4. Step 4: Simplify right side
    872,021.16x = 444,338,584,195.81
  5. Step 5: Solve for x
    x = 444,338,584,195.81/872,021.16
  6. Step 6: Final answer
    x = 509,550.23

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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.