Home / 629,749.54-869,063.48-343,269.69

Finding the Fourth Proportional to 629,749.54, 869,063.48 and 343,269.69

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Solution

The fourth proportional to 629,749.54, 869,063.48 and 343,269.69 is: 473,717.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,749.54 : 869,063.48 = 343,269.69 : x
  2. Step 2: Convert to fraction form
    629,749.54/869,063.48 = 343,269.69/x
  3. Step 3: Cross multiply
    629,749.54x = 869,063.48 × 343,269.69
  4. Step 4: Simplify right side
    629,749.54x = 298,323,151,369.92
  5. Step 5: Solve for x
    x = 298,323,151,369.92/629,749.54
  6. Step 6: Final answer
    x = 473,717.14

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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.