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Finding the Fourth Proportional to 471,291.09, 650,524.55 and 320,475.57

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Solution

The fourth proportional to 471,291.09, 650,524.55 and 320,475.57 is: 442,353.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,291.09 : 650,524.55 = 320,475.57 : x
  2. Step 2: Convert to fraction form
    471,291.09/650,524.55 = 320,475.57/x
  3. Step 3: Cross multiply
    471,291.09x = 650,524.55 × 320,475.57
  4. Step 4: Simplify right side
    471,291.09x = 208,477,224,357.87
  5. Step 5: Solve for x
    x = 208,477,224,357.87/471,291.09
  6. Step 6: Final answer
    x = 442,353.42

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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.