Home / 689,338.44-1,034,008.04-315,099

Finding the Fourth Proportional to 689,338.44, 1,034,008.04 and 315,099

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Solution

The fourth proportional to 689,338.44, 1,034,008.04 and 315,099 is: 472,648.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,338.44 : 1,034,008.04 = 315,099 : x
  2. Step 2: Convert to fraction form
    689,338.44/1,034,008.04 = 315,099/x
  3. Step 3: Cross multiply
    689,338.44x = 1,034,008.04 × 315,099
  4. Step 4: Simplify right side
    689,338.44x = 325,814,899,395.96
  5. Step 5: Solve for x
    x = 325,814,899,395.96/689,338.44
  6. Step 6: Final answer
    x = 472,648.67

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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.