Home / 985,179.95-1,477,832.22-416,455.05

Finding the Fourth Proportional to 985,179.95, 1,477,832.22 and 416,455.05

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Solution

The fourth proportional to 985,179.95, 1,477,832.22 and 416,455.05 is: 624,708.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,179.95 : 1,477,832.22 = 416,455.05 : x
  2. Step 2: Convert to fraction form
    985,179.95/1,477,832.22 = 416,455.05/x
  3. Step 3: Cross multiply
    985,179.95x = 1,477,832.22 × 416,455.05
  4. Step 4: Simplify right side
    985,179.95x = 615,450,691,071.71
  5. Step 5: Solve for x
    x = 615,450,691,071.71/985,179.95
  6. Step 6: Final answer
    x = 624,708.91

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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.