Home / 722,563.80-1,084,460.10-323,818.20

Finding the Fourth Proportional to 722,563.80, 1,084,460.10 and 323,818.20

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Solution

The fourth proportional to 722,563.80, 1,084,460.10 and 323,818.20 is: 486,002.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,563.80 : 1,084,460.10 = 323,818.20 : x
  2. Step 2: Convert to fraction form
    722,563.80/1,084,460.10 = 323,818.20/x
  3. Step 3: Cross multiply
    722,563.80x = 1,084,460.10 × 323,818.20
  4. Step 4: Simplify right side
    722,563.80x = 351,167,917,553.82
  5. Step 5: Solve for x
    x = 351,167,917,553.82/722,563.80
  6. Step 6: Final answer
    x = 486,002.64

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1.5x scale

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.