Home / 847,004.21-1,168,868.09-465,055.73

Finding the Fourth Proportional to 847,004.21, 1,168,868.09 and 465,055.73

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Solution

The fourth proportional to 847,004.21, 1,168,868.09 and 465,055.73 is: 641,778.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,004.21 : 1,168,868.09 = 465,055.73 : x
  2. Step 2: Convert to fraction form
    847,004.21/1,168,868.09 = 465,055.73/x
  3. Step 3: Cross multiply
    847,004.21x = 1,168,868.09 × 465,055.73
  4. Step 4: Simplify right side
    847,004.21x = 543,588,798,186.96
  5. Step 5: Solve for x
    x = 543,588,798,186.96/847,004.21
  6. Step 6: Final answer
    x = 641,778.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.