Home / 761,738.96-1,142,757.90-281,970.96

Finding the Fourth Proportional to 761,738.96, 1,142,757.90 and 281,970.96

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Solution

The fourth proportional to 761,738.96, 1,142,757.90 and 281,970.96 is: 423,011.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,738.96 : 1,142,757.90 = 281,970.96 : x
  2. Step 2: Convert to fraction form
    761,738.96/1,142,757.90 = 281,970.96/x
  3. Step 3: Cross multiply
    761,738.96x = 1,142,757.90 × 281,970.96
  4. Step 4: Simplify right side
    761,738.96x = 322,224,542,110.58
  5. Step 5: Solve for x
    x = 322,224,542,110.58/761,738.96
  6. Step 6: Final answer
    x = 423,011.77

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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.