Home / 872,814.02-1,309,222.58-273,822.39

Finding the Fourth Proportional to 872,814.02, 1,309,222.58 and 273,822.39

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Solution

The fourth proportional to 872,814.02, 1,309,222.58 and 273,822.39 is: 410,734.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,814.02 : 1,309,222.58 = 273,822.39 : x
  2. Step 2: Convert to fraction form
    872,814.02/1,309,222.58 = 273,822.39/x
  3. Step 3: Cross multiply
    872,814.02x = 1,309,222.58 × 273,822.39
  4. Step 4: Simplify right side
    872,814.02x = 358,494,454,528.45
  5. Step 5: Solve for x
    x = 358,494,454,528.45/872,814.02
  6. Step 6: Final answer
    x = 410,734.07

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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.