Home / 858,025.49-1,286,533.53-325,583.96

Finding the Fourth Proportional to 858,025.49, 1,286,533.53 and 325,583.96

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Solution

The fourth proportional to 858,025.49, 1,286,533.53 and 325,583.96 is: 488,184.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,025.49 : 1,286,533.53 = 325,583.96 : x
  2. Step 2: Convert to fraction form
    858,025.49/1,286,533.53 = 325,583.96/x
  3. Step 3: Cross multiply
    858,025.49x = 1,286,533.53 × 325,583.96
  4. Step 4: Simplify right side
    858,025.49x = 418,874,674,937.51
  5. Step 5: Solve for x
    x = 418,874,674,937.51/858,025.49
  6. Step 6: Final answer
    x = 488,184.42

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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.