Home / 713,758.44-1,070,298.78-414,330.84

Finding the Fourth Proportional to 713,758.44, 1,070,298.78 and 414,330.84

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Solution

The fourth proportional to 713,758.44, 1,070,298.78 and 414,330.84 is: 621,299.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,758.44 : 1,070,298.78 = 414,330.84 : x
  2. Step 2: Convert to fraction form
    713,758.44/1,070,298.78 = 414,330.84/x
  3. Step 3: Cross multiply
    713,758.44x = 1,070,298.78 × 414,330.84
  4. Step 4: Simplify right side
    713,758.44x = 443,457,792,568.38
  5. Step 5: Solve for x
    x = 443,457,792,568.38/713,758.44
  6. Step 6: Final answer
    x = 621,299.54

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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.