Home / 406,268.72-560,558.04-261,150.32

Finding the Fourth Proportional to 406,268.72, 560,558.04 and 261,150.32

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Solution

The fourth proportional to 406,268.72, 560,558.04 and 261,150.32 is: 360,327.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,268.72 : 560,558.04 = 261,150.32 : x
  2. Step 2: Convert to fraction form
    406,268.72/560,558.04 = 261,150.32/x
  3. Step 3: Cross multiply
    406,268.72x = 560,558.04 × 261,150.32
  4. Step 4: Simplify right side
    406,268.72x = 146,389,911,524.57
  5. Step 5: Solve for x
    x = 146,389,911,524.57/406,268.72
  6. Step 6: Final answer
    x = 360,327.79

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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.