Home / 648,004.40-968,896.20-480,042.80

Finding the Fourth Proportional to 648,004.40, 968,896.20 and 480,042.80

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Solution

The fourth proportional to 648,004.40, 968,896.20 and 480,042.80 is: 717,760.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,004.40 : 968,896.20 = 480,042.80 : x
  2. Step 2: Convert to fraction form
    648,004.40/968,896.20 = 480,042.80/x
  3. Step 3: Cross multiply
    648,004.40x = 968,896.20 × 480,042.80
  4. Step 4: Simplify right side
    648,004.40x = 465,111,644,757.36
  5. Step 5: Solve for x
    x = 465,111,644,757.36/648,004.40
  6. Step 6: Final answer
    x = 717,760.01

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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.