Home / 724,408.67-999,633.94-402,093.38

Finding the Fourth Proportional to 724,408.67, 999,633.94 and 402,093.38

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Solution

The fourth proportional to 724,408.67, 999,633.94 and 402,093.38 is: 554,861.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,408.67 : 999,633.94 = 402,093.38 : x
  2. Step 2: Convert to fraction form
    724,408.67/999,633.94 = 402,093.38/x
  3. Step 3: Cross multiply
    724,408.67x = 999,633.94 × 402,093.38
  4. Step 4: Simplify right side
    724,408.67x = 401,946,193,452.94
  5. Step 5: Solve for x
    x = 401,946,193,452.94/724,408.67
  6. Step 6: Final answer
    x = 554,861.11

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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.