Home / 727,583.90-1,091,375.85-228,947.90

Finding the Fourth Proportional to 727,583.90, 1,091,375.85 and 228,947.90

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Solution

The fourth proportional to 727,583.90, 1,091,375.85 and 228,947.90 is: 343,421.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,583.90 : 1,091,375.85 = 228,947.90 : x
  2. Step 2: Convert to fraction form
    727,583.90/1,091,375.85 = 228,947.90/x
  3. Step 3: Cross multiply
    727,583.90x = 1,091,375.85 × 228,947.90
  4. Step 4: Simplify right side
    727,583.90x = 249,868,208,968.22
  5. Step 5: Solve for x
    x = 249,868,208,968.22/727,583.90
  6. Step 6: Final answer
    x = 343,421.85

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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.