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Finding the Fourth Proportional to 633,886.34, 951,141.67 and 296,868.79

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Solution

The fourth proportional to 633,886.34, 951,141.67 and 296,868.79 is: 445,449.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,886.34 : 951,141.67 = 296,868.79 : x
  2. Step 2: Convert to fraction form
    633,886.34/951,141.67 = 296,868.79/x
  3. Step 3: Cross multiply
    633,886.34x = 951,141.67 × 296,868.79
  4. Step 4: Simplify right side
    633,886.34x = 282,364,276,133.04
  5. Step 5: Solve for x
    x = 282,364,276,133.04/633,886.34
  6. Step 6: Final answer
    x = 445,449.38

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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.