Home / 670,143.30-1,005,212.97-270,779.46

Finding the Fourth Proportional to 670,143.30, 1,005,212.97 and 270,779.46

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Solution

The fourth proportional to 670,143.30, 1,005,212.97 and 270,779.46 is: 406,168.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,143.30 : 1,005,212.97 = 270,779.46 : x
  2. Step 2: Convert to fraction form
    670,143.30/1,005,212.97 = 270,779.46/x
  3. Step 3: Cross multiply
    670,143.30x = 1,005,212.97 × 270,779.46
  4. Step 4: Simplify right side
    670,143.30x = 272,191,025,201.60
  5. Step 5: Solve for x
    x = 272,191,025,201.60/670,143.30
  6. Step 6: Final answer
    x = 406,168.39

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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.