Home / 798,492.35-1,196,741.79-399,247.31

Finding the Fourth Proportional to 798,492.35, 1,196,741.79 and 399,247.31

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Solution

The fourth proportional to 798,492.35, 1,196,741.79 and 399,247.31 is: 598,372.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,492.35 : 1,196,741.79 = 399,247.31 : x
  2. Step 2: Convert to fraction form
    798,492.35/1,196,741.79 = 399,247.31/x
  3. Step 3: Cross multiply
    798,492.35x = 1,196,741.79 × 399,247.31
  4. Step 4: Simplify right side
    798,492.35x = 477,795,934,438.38
  5. Step 5: Solve for x
    x = 477,795,934,438.38/798,492.35
  6. Step 6: Final answer
    x = 598,372.59

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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.