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Finding the Fourth Proportional to 727,360, 1,091,078.88 and 228,762.88

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Solution

The fourth proportional to 727,360, 1,091,078.88 and 228,762.88 is: 343,156.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,360 : 1,091,078.88 = 228,762.88 : x
  2. Step 2: Convert to fraction form
    727,360/1,091,078.88 = 228,762.88/x
  3. Step 3: Cross multiply
    727,360x = 1,091,078.88 × 228,762.88
  4. Step 4: Simplify right side
    727,360x = 249,598,346,895.97
  5. Step 5: Solve for x
    x = 249,598,346,895.97/727,360
  6. Step 6: Final answer
    x = 343,156.55

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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.