Home / 677,783.49-1,015,965.85-228,349.07

Finding the Fourth Proportional to 677,783.49, 1,015,965.85 and 228,349.07

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Solution

The fourth proportional to 677,783.49, 1,015,965.85 and 228,349.07 is: 342,284.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,783.49 : 1,015,965.85 = 228,349.07 : x
  2. Step 2: Convert to fraction form
    677,783.49/1,015,965.85 = 228,349.07/x
  3. Step 3: Cross multiply
    677,783.49x = 1,015,965.85 × 228,349.07
  4. Step 4: Simplify right side
    677,783.49x = 231,994,856,999.26
  5. Step 5: Solve for x
    x = 231,994,856,999.26/677,783.49
  6. Step 6: Final answer
    x = 342,284.61

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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.