Home / 727,209.20-1,090,813.80-228,573.20

Finding the Fourth Proportional to 727,209.20, 1,090,813.80 and 228,573.20

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Solution

The fourth proportional to 727,209.20, 1,090,813.80 and 228,573.20 is: 342,859.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,209.20 : 1,090,813.80 = 228,573.20 : x
  2. Step 2: Convert to fraction form
    727,209.20/1,090,813.80 = 228,573.20/x
  3. Step 3: Cross multiply
    727,209.20x = 1,090,813.80 × 228,573.20
  4. Step 4: Simplify right side
    727,209.20x = 249,330,800,870.16
  5. Step 5: Solve for x
    x = 249,330,800,870.16/727,209.20
  6. Step 6: Final answer
    x = 342,859.80

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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.