Home / 495,994.08-743,964.48-290,942.88

Finding the Fourth Proportional to 495,994.08, 743,964.48 and 290,942.88

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Solution

The fourth proportional to 495,994.08, 743,964.48 and 290,942.88 is: 436,398.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,994.08 : 743,964.48 = 290,942.88 : x
  2. Step 2: Convert to fraction form
    495,994.08/743,964.48 = 290,942.88/x
  3. Step 3: Cross multiply
    495,994.08x = 743,964.48 × 290,942.88
  4. Step 4: Simplify right side
    495,994.08x = 216,451,168,428.90
  5. Step 5: Solve for x
    x = 216,451,168,428.90/495,994.08
  6. Step 6: Final answer
    x = 436,398.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.