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Finding the Fourth Proportional to 595,278.90, 821,492.36 and 323,351.34

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Solution

The fourth proportional to 595,278.90, 821,492.36 and 323,351.34 is: 446,228.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,278.90 : 821,492.36 = 323,351.34 : x
  2. Step 2: Convert to fraction form
    595,278.90/821,492.36 = 323,351.34/x
  3. Step 3: Cross multiply
    595,278.90x = 821,492.36 × 323,351.34
  4. Step 4: Simplify right side
    595,278.90x = 265,630,655,405.76
  5. Step 5: Solve for x
    x = 265,630,655,405.76/595,278.90
  6. Step 6: Final answer
    x = 446,228.91

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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.