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Finding the Fourth Proportional to 595,307.68, 821,539.40 and 323,375.49

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Solution

The fourth proportional to 595,307.68, 821,539.40 and 323,375.49 is: 446,266.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,307.68 : 821,539.40 = 323,375.49 : x
  2. Step 2: Convert to fraction form
    595,307.68/821,539.40 = 323,375.49/x
  3. Step 3: Cross multiply
    595,307.68x = 821,539.40 × 323,375.49
  4. Step 4: Simplify right side
    595,307.68x = 265,665,704,412.43
  5. Step 5: Solve for x
    x = 265,665,704,412.43/595,307.68
  6. Step 6: Final answer
    x = 446,266.22

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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.