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Finding the Fourth Proportional to 602,342.96, 903,689.40 and 287,065.04

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Solution

The fourth proportional to 602,342.96, 903,689.40 and 287,065.04 is: 430,680.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,342.96 : 903,689.40 = 287,065.04 : x
  2. Step 2: Convert to fraction form
    602,342.96/903,689.40 = 287,065.04/x
  3. Step 3: Cross multiply
    602,342.96x = 903,689.40 × 287,065.04
  4. Step 4: Simplify right side
    602,342.96x = 259,417,633,758.58
  5. Step 5: Solve for x
    x = 259,417,633,758.58/602,342.96
  6. Step 6: Final answer
    x = 430,680.94

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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.