Home / 427,780.58-641,427.90-174,764.85

Finding the Fourth Proportional to 427,780.58, 641,427.90 and 174,764.85

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Solution

The fourth proportional to 427,780.58, 641,427.90 and 174,764.85 is: 262,048.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,780.58 : 641,427.90 = 174,764.85 : x
  2. Step 2: Convert to fraction form
    427,780.58/641,427.90 = 174,764.85/x
  3. Step 3: Cross multiply
    427,780.58x = 641,427.90 × 174,764.85
  4. Step 4: Simplify right side
    427,780.58x = 112,099,047,668.59
  5. Step 5: Solve for x
    x = 112,099,047,668.59/427,780.58
  6. Step 6: Final answer
    x = 262,048.01

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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.