Home / 698,100.36-1,046,181.64-318,092.40

Finding the Fourth Proportional to 698,100.36, 1,046,181.64 and 318,092.40

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Solution

The fourth proportional to 698,100.36, 1,046,181.64 and 318,092.40 is: 476,697.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,100.36 : 1,046,181.64 = 318,092.40 : x
  2. Step 2: Convert to fraction form
    698,100.36/1,046,181.64 = 318,092.40/x
  3. Step 3: Cross multiply
    698,100.36x = 1,046,181.64 × 318,092.40
  4. Step 4: Simplify right side
    698,100.36x = 332,782,428,703.54
  5. Step 5: Solve for x
    x = 332,782,428,703.54/698,100.36
  6. Step 6: Final answer
    x = 476,697.12

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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.