Home / 710,083.37-979,921.73-404,144.75

Finding the Fourth Proportional to 710,083.37, 979,921.73 and 404,144.75

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Solution

The fourth proportional to 710,083.37, 979,921.73 and 404,144.75 is: 557,723.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,083.37 : 979,921.73 = 404,144.75 : x
  2. Step 2: Convert to fraction form
    710,083.37/979,921.73 = 404,144.75/x
  3. Step 3: Cross multiply
    710,083.37x = 979,921.73 × 404,144.75
  4. Step 4: Simplify right side
    710,083.37x = 396,030,222,590.42
  5. Step 5: Solve for x
    x = 396,030,222,590.42/710,083.37
  6. Step 6: Final answer
    x = 557,723.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.