Home / 698,704.83-1,047,663.55-243,087.12

Finding the Fourth Proportional to 698,704.83, 1,047,663.55 and 243,087.12

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Solution

The fourth proportional to 698,704.83, 1,047,663.55 and 243,087.12 is: 364,493.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,704.83 : 1,047,663.55 = 243,087.12 : x
  2. Step 2: Convert to fraction form
    698,704.83/1,047,663.55 = 243,087.12/x
  3. Step 3: Cross multiply
    698,704.83x = 1,047,663.55 × 243,087.12
  4. Step 4: Simplify right side
    698,704.83x = 254,673,515,098.48
  5. Step 5: Solve for x
    x = 254,673,515,098.48/698,704.83
  6. Step 6: Final answer
    x = 364,493.71

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Double scale
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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.