Home / 664,552.10-997,058.55-290,843.30

Finding the Fourth Proportional to 664,552.10, 997,058.55 and 290,843.30

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Solution

The fourth proportional to 664,552.10, 997,058.55 and 290,843.30 is: 436,365.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,552.10 : 997,058.55 = 290,843.30 : x
  2. Step 2: Convert to fraction form
    664,552.10/997,058.55 = 290,843.30/x
  3. Step 3: Cross multiply
    664,552.10x = 997,058.55 × 290,843.30
  4. Step 4: Simplify right side
    664,552.10x = 289,987,798,975.22
  5. Step 5: Solve for x
    x = 289,987,798,975.22/664,552.10
  6. Step 6: Final answer
    x = 436,365.79

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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.