Home / 629,946.59-869,340.02-343,467.81

Finding the Fourth Proportional to 629,946.59, 869,340.02 and 343,467.81

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Solution

The fourth proportional to 629,946.59, 869,340.02 and 343,467.81 is: 473,993.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,946.59 : 869,340.02 = 343,467.81 : x
  2. Step 2: Convert to fraction form
    629,946.59/869,340.02 = 343,467.81/x
  3. Step 3: Cross multiply
    629,946.59x = 869,340.02 × 343,467.81
  4. Step 4: Simplify right side
    629,946.59x = 298,590,311,097.42
  5. Step 5: Solve for x
    x = 298,590,311,097.42/629,946.59
  6. Step 6: Final answer
    x = 473,993.06

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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.