Home / 761,634.96-1,142,528.30-281,991

Finding the Fourth Proportional to 761,634.96, 1,142,528.30 and 281,991

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Solution

The fourth proportional to 761,634.96, 1,142,528.30 and 281,991 is: 423,014.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,634.96 : 1,142,528.30 = 281,991 : x
  2. Step 2: Convert to fraction form
    761,634.96/1,142,528.30 = 281,991/x
  3. Step 3: Cross multiply
    761,634.96x = 1,142,528.30 × 281,991
  4. Step 4: Simplify right side
    761,634.96x = 322,182,696,435.35
  5. Step 5: Solve for x
    x = 322,182,696,435.35/761,634.96
  6. Step 6: Final answer
    x = 423,014.58

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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.