Home / 979,099.94-1,467,639.56-410,811.03

Finding the Fourth Proportional to 979,099.94, 1,467,639.56 and 410,811.03

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Solution

The fourth proportional to 979,099.94, 1,467,639.56 and 410,811.03 is: 615,792.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,099.94 : 1,467,639.56 = 410,811.03 : x
  2. Step 2: Convert to fraction form
    979,099.94/1,467,639.56 = 410,811.03/x
  3. Step 3: Cross multiply
    979,099.94x = 1,467,639.56 × 410,811.03
  4. Step 4: Simplify right side
    979,099.94x = 602,922,519,312.35
  5. Step 5: Solve for x
    x = 602,922,519,312.35/979,099.94
  6. Step 6: Final answer
    x = 615,792.62

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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.