Home / 761,994.60-1,142,191.78-256,380.04

Finding the Fourth Proportional to 761,994.60, 1,142,191.78 and 256,380.04

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Solution

The fourth proportional to 761,994.60, 1,142,191.78 and 256,380.04 is: 384,300.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,994.60 : 1,142,191.78 = 256,380.04 : x
  2. Step 2: Convert to fraction form
    761,994.60/1,142,191.78 = 256,380.04/x
  3. Step 3: Cross multiply
    761,994.60x = 1,142,191.78 × 256,380.04
  4. Step 4: Simplify right side
    761,994.60x = 292,835,171,709.07
  5. Step 5: Solve for x
    x = 292,835,171,709.07/761,994.60
  6. Step 6: Final answer
    x = 384,300.85

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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.