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Finding the Fourth Proportional to 602,706.45, 903,698.82 and 203,338.38

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Solution

The fourth proportional to 602,706.45, 903,698.82 and 203,338.38 is: 304,885.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,706.45 : 903,698.82 = 203,338.38 : x
  2. Step 2: Convert to fraction form
    602,706.45/903,698.82 = 203,338.38/x
  3. Step 3: Cross multiply
    602,706.45x = 903,698.82 × 203,338.38
  4. Step 4: Simplify right side
    602,706.45x = 183,756,654,066.71
  5. Step 5: Solve for x
    x = 183,756,654,066.71/602,706.45
  6. Step 6: Final answer
    x = 304,885.83

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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.