Home / 560,968.82-840,829.93-427,408.73

Finding the Fourth Proportional to 560,968.82, 840,829.93 and 427,408.73

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Solution

The fourth proportional to 560,968.82, 840,829.93 and 427,408.73 is: 640,638.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,968.82 : 840,829.93 = 427,408.73 : x
  2. Step 2: Convert to fraction form
    560,968.82/840,829.93 = 427,408.73/x
  3. Step 3: Cross multiply
    560,968.82x = 840,829.93 × 427,408.73
  4. Step 4: Simplify right side
    560,968.82x = 359,378,052,527.29
  5. Step 5: Solve for x
    x = 359,378,052,527.29/560,968.82
  6. Step 6: Final answer
    x = 640,638.20

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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.