Home / 545,948.24-818,534.60-208,704.72

Finding the Fourth Proportional to 545,948.24, 818,534.60 and 208,704.72

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Solution

The fourth proportional to 545,948.24, 818,534.60 and 208,704.72 is: 312,908.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,948.24 : 818,534.60 = 208,704.72 : x
  2. Step 2: Convert to fraction form
    545,948.24/818,534.60 = 208,704.72/x
  3. Step 3: Cross multiply
    545,948.24x = 818,534.60 × 208,704.72
  4. Step 4: Simplify right side
    545,948.24x = 170,832,034,503.31
  5. Step 5: Solve for x
    x = 170,832,034,503.31/545,948.24
  6. Step 6: Final answer
    x = 312,908.85

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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.