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Finding the Fourth Proportional to 658,894.35, 988,587.54 and 259,813.34

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Solution

The fourth proportional to 658,894.35, 988,587.54 and 259,813.34 is: 389,817.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,894.35 : 988,587.54 = 259,813.34 : x
  2. Step 2: Convert to fraction form
    658,894.35/988,587.54 = 259,813.34/x
  3. Step 3: Cross multiply
    658,894.35x = 988,587.54 × 259,813.34
  4. Step 4: Simplify right side
    658,894.35x = 256,848,225,706.85
  5. Step 5: Solve for x
    x = 256,848,225,706.85/658,894.35
  6. Step 6: Final answer
    x = 389,817.01

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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.