Home / 872,953.26-1,309,485.22-273,938.05

Finding the Fourth Proportional to 872,953.26, 1,309,485.22 and 273,938.05

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Solution

The fourth proportional to 872,953.26, 1,309,485.22 and 273,938.05 is: 410,924.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,953.26 : 1,309,485.22 = 273,938.05 : x
  2. Step 2: Convert to fraction form
    872,953.26/1,309,485.22 = 273,938.05/x
  3. Step 3: Cross multiply
    872,953.26x = 1,309,485.22 × 273,938.05
  4. Step 4: Simplify right side
    872,953.26x = 358,717,830,163.53
  5. Step 5: Solve for x
    x = 358,717,830,163.53/872,953.26
  6. Step 6: Final answer
    x = 410,924.44

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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.