Home / 376,763.04-520,392.96-281,691.36

Finding the Fourth Proportional to 376,763.04, 520,392.96 and 281,691.36

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Solution

The fourth proportional to 376,763.04, 520,392.96 and 281,691.36 is: 389,077.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,763.04 : 520,392.96 = 281,691.36 : x
  2. Step 2: Convert to fraction form
    376,763.04/520,392.96 = 281,691.36/x
  3. Step 3: Cross multiply
    376,763.04x = 520,392.96 × 281,691.36
  4. Step 4: Simplify right side
    376,763.04x = 146,590,200,636.83
  5. Step 5: Solve for x
    x = 146,590,200,636.83/376,763.04
  6. Step 6: Final answer
    x = 389,077.97

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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.