Home / 706,408.80-1,059,613.20-422,973.60

Finding the Fourth Proportional to 706,408.80, 1,059,613.20 and 422,973.60

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Solution

The fourth proportional to 706,408.80, 1,059,613.20 and 422,973.60 is: 634,460.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,408.80 : 1,059,613.20 = 422,973.60 : x
  2. Step 2: Convert to fraction form
    706,408.80/1,059,613.20 = 422,973.60/x
  3. Step 3: Cross multiply
    706,408.80x = 1,059,613.20 × 422,973.60
  4. Step 4: Simplify right side
    706,408.80x = 448,188,409,811.52
  5. Step 5: Solve for x
    x = 448,188,409,811.52/706,408.80
  6. Step 6: Final answer
    x = 634,460.40

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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.