Home / 872,957.76-1,309,491.98-273,942.56

Finding the Fourth Proportional to 872,957.76, 1,309,491.98 and 273,942.56

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Solution

The fourth proportional to 872,957.76, 1,309,491.98 and 273,942.56 is: 410,931.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,957.76 : 1,309,491.98 = 273,942.56 : x
  2. Step 2: Convert to fraction form
    872,957.76/1,309,491.98 = 273,942.56/x
  3. Step 3: Cross multiply
    872,957.76x = 1,309,491.98 × 273,942.56
  4. Step 4: Simplify right side
    872,957.76x = 358,725,585,300.67
  5. Step 5: Solve for x
    x = 358,725,585,300.67/872,957.76
  6. Step 6: Final answer
    x = 410,931.21

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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.