Home / 810,593.51-1,118,623.43-443,071.15

Finding the Fourth Proportional to 810,593.51, 1,118,623.43 and 443,071.15

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Solution

The fourth proportional to 810,593.51, 1,118,623.43 and 443,071.15 is: 611,440.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,593.51 : 1,118,623.43 = 443,071.15 : x
  2. Step 2: Convert to fraction form
    810,593.51/1,118,623.43 = 443,071.15/x
  3. Step 3: Cross multiply
    810,593.51x = 1,118,623.43 × 443,071.15
  4. Step 4: Simplify right side
    810,593.51x = 495,629,773,446.03
  5. Step 5: Solve for x
    x = 495,629,773,446.03/810,593.51
  6. Step 6: Final answer
    x = 611,440.59

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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.