Home / 820,648.03-1,132,683.24-481,225.63

Finding the Fourth Proportional to 820,648.03, 1,132,683.24 and 481,225.63

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Solution

The fourth proportional to 820,648.03, 1,132,683.24 and 481,225.63 is: 664,202.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,648.03 : 1,132,683.24 = 481,225.63 : x
  2. Step 2: Convert to fraction form
    820,648.03/1,132,683.24 = 481,225.63/x
  3. Step 3: Cross multiply
    820,648.03x = 1,132,683.24 × 481,225.63
  4. Step 4: Simplify right side
    820,648.03x = 545,076,205,759.44
  5. Step 5: Solve for x
    x = 545,076,205,759.44/820,648.03
  6. Step 6: Final answer
    x = 664,202.17

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1.5x scale

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.