Home / 919,827.39-1,379,741.46-413,797.30

Finding the Fourth Proportional to 919,827.39, 1,379,741.46 and 413,797.30

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Solution

The fourth proportional to 919,827.39, 1,379,741.46 and 413,797.30 is: 620,696.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,827.39 : 1,379,741.46 = 413,797.30 : x
  2. Step 2: Convert to fraction form
    919,827.39/1,379,741.46 = 413,797.30/x
  3. Step 3: Cross multiply
    919,827.39x = 1,379,741.46 × 413,797.30
  4. Step 4: Simplify right side
    919,827.39x = 570,933,290,846.06
  5. Step 5: Solve for x
    x = 570,933,290,846.06/919,827.39
  6. Step 6: Final answer
    x = 620,696.12

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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.