Home / 677,783.04-1,015,965.20-228,348.60

Finding the Fourth Proportional to 677,783.04, 1,015,965.20 and 228,348.60

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Solution

The fourth proportional to 677,783.04, 1,015,965.20 and 228,348.60 is: 342,283.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,783.04 : 1,015,965.20 = 228,348.60 : x
  2. Step 2: Convert to fraction form
    677,783.04/1,015,965.20 = 228,348.60/x
  3. Step 3: Cross multiply
    677,783.04x = 1,015,965.20 × 228,348.60
  4. Step 4: Simplify right side
    677,783.04x = 231,994,231,068.72
  5. Step 5: Solve for x
    x = 231,994,231,068.72/677,783.04
  6. Step 6: Final answer
    x = 342,283.91

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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.