Home / 820,786.56-1,133,156.62-625,662.42

Finding the Fourth Proportional to 820,786.56, 1,133,156.62 and 625,662.42

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Solution

The fourth proportional to 820,786.56, 1,133,156.62 and 625,662.42 is: 863,773.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,786.56 : 1,133,156.62 = 625,662.42 : x
  2. Step 2: Convert to fraction form
    820,786.56/1,133,156.62 = 625,662.42/x
  3. Step 3: Cross multiply
    820,786.56x = 1,133,156.62 × 625,662.42
  4. Step 4: Simplify right side
    820,786.56x = 708,973,513,108.22
  5. Step 5: Solve for x
    x = 708,973,513,108.22/820,786.56
  6. Step 6: Final answer
    x = 863,773.30

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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.