Home / 670,804.56-1,006,206.84-172,168.56

Finding the Fourth Proportional to 670,804.56, 1,006,206.84 and 172,168.56

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Solution

The fourth proportional to 670,804.56, 1,006,206.84 and 172,168.56 is: 258,252.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,804.56 : 1,006,206.84 = 172,168.56 : x
  2. Step 2: Convert to fraction form
    670,804.56/1,006,206.84 = 172,168.56/x
  3. Step 3: Cross multiply
    670,804.56x = 1,006,206.84 × 172,168.56
  4. Step 4: Simplify right side
    670,804.56x = 173,237,182,704.95
  5. Step 5: Solve for x
    x = 173,237,182,704.95/670,804.56
  6. Step 6: Final answer
    x = 258,252.84

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Similar ratio
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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.