Home / 713,890.63-1,070,491.48-414,446.59

Finding the Fourth Proportional to 713,890.63, 1,070,491.48 and 414,446.59

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Solution

The fourth proportional to 713,890.63, 1,070,491.48 and 414,446.59 is: 621,469.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,890.63 : 1,070,491.48 = 414,446.59 : x
  2. Step 2: Convert to fraction form
    713,890.63/1,070,491.48 = 414,446.59/x
  3. Step 3: Cross multiply
    713,890.63x = 1,070,491.48 × 414,446.59
  4. Step 4: Simplify right side
    713,890.63x = 443,661,543,510.05
  5. Step 5: Solve for x
    x = 443,661,543,510.05/713,890.63
  6. Step 6: Final answer
    x = 621,469.91

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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.