Home / 872,957.67-1,309,491.84-273,942.45

Finding the Fourth Proportional to 872,957.67, 1,309,491.84 and 273,942.45

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Solution

The fourth proportional to 872,957.67, 1,309,491.84 and 273,942.45 is: 410,931.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,957.67 : 1,309,491.84 = 273,942.45 : x
  2. Step 2: Convert to fraction form
    872,957.67/1,309,491.84 = 273,942.45/x
  3. Step 3: Cross multiply
    872,957.67x = 1,309,491.84 × 273,942.45
  4. Step 4: Simplify right side
    872,957.67x = 358,725,402,904.61
  5. Step 5: Solve for x
    x = 358,725,402,904.61/872,957.67
  6. Step 6: Final answer
    x = 410,931.04

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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.