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Finding the Fourth Proportional to 804,365.40, 1,206,710.10 and 235,745.40

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Solution

The fourth proportional to 804,365.40, 1,206,710.10 and 235,745.40 is: 353,665.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,365.40 : 1,206,710.10 = 235,745.40 : x
  2. Step 2: Convert to fraction form
    804,365.40/1,206,710.10 = 235,745.40/x
  3. Step 3: Cross multiply
    804,365.40x = 1,206,710.10 × 235,745.40
  4. Step 4: Simplify right side
    804,365.40x = 284,476,355,208.54
  5. Step 5: Solve for x
    x = 284,476,355,208.54/804,365.40
  6. Step 6: Final answer
    x = 353,665.58

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1.5x scale

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.