Home / 545,704.05-753,094.27-303,986.55

Finding the Fourth Proportional to 545,704.05, 753,094.27 and 303,986.55

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Solution

The fourth proportional to 545,704.05, 753,094.27 and 303,986.55 is: 419,514.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,704.05 : 753,094.27 = 303,986.55 : x
  2. Step 2: Convert to fraction form
    545,704.05/753,094.27 = 303,986.55/x
  3. Step 3: Cross multiply
    545,704.05x = 753,094.27 × 303,986.55
  4. Step 4: Simplify right side
    545,704.05x = 228,930,532,166.16
  5. Step 5: Solve for x
    x = 228,930,532,166.16/545,704.05
  6. Step 6: Final answer
    x = 419,514.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.