Home / 872,510.93-1,308,782.78-273,458.82

Finding the Fourth Proportional to 872,510.93, 1,308,782.78 and 273,458.82

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Solution

The fourth proportional to 872,510.93, 1,308,782.78 and 273,458.82 is: 410,193.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,510.93 : 1,308,782.78 = 273,458.82 : x
  2. Step 2: Convert to fraction form
    872,510.93/1,308,782.78 = 273,458.82/x
  3. Step 3: Cross multiply
    872,510.93x = 1,308,782.78 × 273,458.82
  4. Step 4: Simplify right side
    872,510.93x = 357,898,193,287.83
  5. Step 5: Solve for x
    x = 357,898,193,287.83/872,510.93
  6. Step 6: Final answer
    x = 410,193.37

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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.