Home / 820,652.64-1,132,689.60-481,230.24

Finding the Fourth Proportional to 820,652.64, 1,132,689.60 and 481,230.24

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Solution

The fourth proportional to 820,652.64, 1,132,689.60 and 481,230.24 is: 664,208.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,652.64 : 1,132,689.60 = 481,230.24 : x
  2. Step 2: Convert to fraction form
    820,652.64/1,132,689.60 = 481,230.24/x
  3. Step 3: Cross multiply
    820,652.64x = 1,132,689.60 × 481,230.24
  4. Step 4: Simplify right side
    820,652.64x = 545,084,488,053.50
  5. Step 5: Solve for x
    x = 545,084,488,053.50/820,652.64
  6. Step 6: Final answer
    x = 664,208.54

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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.