Home / 677,782.49-1,015,964.35-228,348.07

Finding the Fourth Proportional to 677,782.49, 1,015,964.35 and 228,348.07

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Solution

The fourth proportional to 677,782.49, 1,015,964.35 and 228,348.07 is: 342,283.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,782.49 : 1,015,964.35 = 228,348.07 : x
  2. Step 2: Convert to fraction form
    677,782.49/1,015,964.35 = 228,348.07/x
  3. Step 3: Cross multiply
    677,782.49x = 1,015,964.35 × 228,348.07
  4. Step 4: Simplify right side
    677,782.49x = 231,993,495,400.52
  5. Step 5: Solve for x
    x = 231,993,495,400.52/677,782.49
  6. Step 6: Final answer
    x = 342,283.11

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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.