Home / 881,848.45-1,216,963.80-494,749.45

Finding the Fourth Proportional to 881,848.45, 1,216,963.80 and 494,749.45

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Solution

The fourth proportional to 881,848.45, 1,216,963.80 and 494,749.45 is: 682,761.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,848.45 : 1,216,963.80 = 494,749.45 : x
  2. Step 2: Convert to fraction form
    881,848.45/1,216,963.80 = 494,749.45/x
  3. Step 3: Cross multiply
    881,848.45x = 1,216,963.80 × 494,749.45
  4. Step 4: Simplify right side
    881,848.45x = 602,092,167,677.50
  5. Step 5: Solve for x
    x = 602,092,167,677.50/881,848.45
  6. Step 6: Final answer
    x = 682,761.50

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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.