Home / 629,729.76-869,014.14-343,247.34

Finding the Fourth Proportional to 629,729.76, 869,014.14 and 343,247.34

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Solution

The fourth proportional to 629,729.76, 869,014.14 and 343,247.34 is: 473,674.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,729.76 : 869,014.14 = 343,247.34 : x
  2. Step 2: Convert to fraction form
    629,729.76/869,014.14 = 343,247.34/x
  3. Step 3: Cross multiply
    629,729.76x = 869,014.14 × 343,247.34
  4. Step 4: Simplify right side
    629,729.76x = 298,286,791,977.39
  5. Step 5: Solve for x
    x = 298,286,791,977.39/629,729.76
  6. Step 6: Final answer
    x = 473,674.28

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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.