Home / 695,452.20-1,042,919.10-245,999.40

Finding the Fourth Proportional to 695,452.20, 1,042,919.10 and 245,999.40

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Solution

The fourth proportional to 695,452.20, 1,042,919.10 and 245,999.40 is: 368,907.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,452.20 : 1,042,919.10 = 245,999.40 : x
  2. Step 2: Convert to fraction form
    695,452.20/1,042,919.10 = 245,999.40/x
  3. Step 3: Cross multiply
    695,452.20x = 1,042,919.10 × 245,999.40
  4. Step 4: Simplify right side
    695,452.20x = 256,557,472,848.54
  5. Step 5: Solve for x
    x = 256,557,472,848.54/695,452.20
  6. Step 6: Final answer
    x = 368,907.41

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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.