Home / 858,786.45-1,185,162.32-476,813.25

Finding the Fourth Proportional to 858,786.45, 1,185,162.32 and 476,813.25

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Solution

The fourth proportional to 858,786.45, 1,185,162.32 and 476,813.25 is: 658,022.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,786.45 : 1,185,162.32 = 476,813.25 : x
  2. Step 2: Convert to fraction form
    858,786.45/1,185,162.32 = 476,813.25/x
  3. Step 3: Cross multiply
    858,786.45x = 1,185,162.32 × 476,813.25
  4. Step 4: Simplify right side
    858,786.45x = 565,101,095,192.67
  5. Step 5: Solve for x
    x = 565,101,095,192.67/858,786.45
  6. Step 6: Final answer
    x = 658,022.84

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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.