Home / 727,333.40-1,091,171.76-228,697.40

Finding the Fourth Proportional to 727,333.40, 1,091,171.76 and 228,697.40

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Solution

The fourth proportional to 727,333.40, 1,091,171.76 and 228,697.40 is: 343,100.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,333.40 : 1,091,171.76 = 228,697.40 : x
  2. Step 2: Convert to fraction form
    727,333.40/1,091,171.76 = 228,697.40/x
  3. Step 3: Cross multiply
    727,333.40x = 1,091,171.76 × 228,697.40
  4. Step 4: Simplify right side
    727,333.40x = 249,548,144,465.42
  5. Step 5: Solve for x
    x = 249,548,144,465.42/727,333.40
  6. Step 6: Final answer
    x = 343,100.08

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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.