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Finding the Fourth Proportional to 430,698, 594,362.60 and 239,706.80

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Solution

The fourth proportional to 430,698, 594,362.60 and 239,706.80 is: 330,795.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,698 : 594,362.60 = 239,706.80 : x
  2. Step 2: Convert to fraction form
    430,698/594,362.60 = 239,706.80/x
  3. Step 3: Cross multiply
    430,698x = 594,362.60 × 239,706.80
  4. Step 4: Simplify right side
    430,698x = 142,472,756,885.68
  5. Step 5: Solve for x
    x = 142,472,756,885.68/430,698
  6. Step 6: Final answer
    x = 330,795.03

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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.