Home / 419,827.60-629,741.40-367,339.60

Finding the Fourth Proportional to 419,827.60, 629,741.40 and 367,339.60

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Solution

The fourth proportional to 419,827.60, 629,741.40 and 367,339.60 is: 551,009.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,827.60 : 629,741.40 = 367,339.60 : x
  2. Step 2: Convert to fraction form
    419,827.60/629,741.40 = 367,339.60/x
  3. Step 3: Cross multiply
    419,827.60x = 629,741.40 × 367,339.60
  4. Step 4: Simplify right side
    419,827.60x = 231,328,953,979.44
  5. Step 5: Solve for x
    x = 231,328,953,979.44/419,827.60
  6. Step 6: Final answer
    x = 551,009.40

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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.