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Finding the Fourth Proportional to 595,396.60, 821,648.28 and 323,465.56

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Solution

The fourth proportional to 595,396.60, 821,648.28 and 323,465.56 is: 446,383.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,396.60 : 821,648.28 = 323,465.56 : x
  2. Step 2: Convert to fraction form
    595,396.60/821,648.28 = 323,465.56/x
  3. Step 3: Cross multiply
    595,396.60x = 821,648.28 × 323,465.56
  4. Step 4: Simplify right side
    595,396.60x = 265,774,921,013.24
  5. Step 5: Solve for x
    x = 265,774,921,013.24/595,396.60
  6. Step 6: Final answer
    x = 446,383.00

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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.