Home / 856,052.84-1,284,164.24-316,450.54

Finding the Fourth Proportional to 856,052.84, 1,284,164.24 and 316,450.54

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Solution

The fourth proportional to 856,052.84, 1,284,164.24 and 316,450.54 is: 474,707.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,052.84 : 1,284,164.24 = 316,450.54 : x
  2. Step 2: Convert to fraction form
    856,052.84/1,284,164.24 = 316,450.54/x
  3. Step 3: Cross multiply
    856,052.84x = 1,284,164.24 × 316,450.54
  4. Step 4: Simplify right side
    856,052.84x = 406,374,464,777.41
  5. Step 5: Solve for x
    x = 406,374,464,777.41/856,052.84
  6. Step 6: Final answer
    x = 474,707.22

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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.