Home / 670,519.40-1,005,779.10-165,076.37

Finding the Fourth Proportional to 670,519.40, 1,005,779.10 and 165,076.37

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Solution

The fourth proportional to 670,519.40, 1,005,779.10 and 165,076.37 is: 247,614.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,519.40 : 1,005,779.10 = 165,076.37 : x
  2. Step 2: Convert to fraction form
    670,519.40/1,005,779.10 = 165,076.37/x
  3. Step 3: Cross multiply
    670,519.40x = 1,005,779.10 × 165,076.37
  4. Step 4: Simplify right side
    670,519.40x = 166,030,357,820.97
  5. Step 5: Solve for x
    x = 166,030,357,820.97/670,519.40
  6. Step 6: Final answer
    x = 247,614.55

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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.