Home / 820,162.74-1,131,771.45-452,643.16

Finding the Fourth Proportional to 820,162.74, 1,131,771.45 and 452,643.16

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Solution

The fourth proportional to 820,162.74, 1,131,771.45 and 452,643.16 is: 624,618.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,162.74 : 1,131,771.45 = 452,643.16 : x
  2. Step 2: Convert to fraction form
    820,162.74/1,131,771.45 = 452,643.16/x
  3. Step 3: Cross multiply
    820,162.74x = 1,131,771.45 × 452,643.16
  4. Step 4: Simplify right side
    820,162.74x = 512,288,605,525.78
  5. Step 5: Solve for x
    x = 512,288,605,525.78/820,162.74
  6. Step 6: Final answer
    x = 624,618.24

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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.