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Finding the Fourth Proportional to 520,522.56, 718,274.27 and 302,733.25

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Solution

The fourth proportional to 520,522.56, 718,274.27 and 302,733.25 is: 417,744.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,522.56 : 718,274.27 = 302,733.25 : x
  2. Step 2: Convert to fraction form
    520,522.56/718,274.27 = 302,733.25/x
  3. Step 3: Cross multiply
    520,522.56x = 718,274.27 × 302,733.25
  4. Step 4: Simplify right side
    520,522.56x = 217,445,503,109.63
  5. Step 5: Solve for x
    x = 217,445,503,109.63/520,522.56
  6. Step 6: Final answer
    x = 417,744.63

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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.