Finding the Fourth Proportional to 771,072.84, 1,156,940.06 and 298,090.35
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Solution
The fourth proportional to 771,072.84, 1,156,940.06 and 298,090.35 is: 447,263.41
Step by Step Solution
- Step 1: Write the proportion equation
771,072.84 : 1,156,940.06 = 298,090.35 : x - Step 2: Convert to fraction form
771,072.84/1,156,940.06 = 298,090.35/x - Step 3: Cross multiply
771,072.84x = 1,156,940.06 × 298,090.35 - Step 4: Simplify right side
771,072.84x = 344,872,667,414.42 - Step 5: Solve for x
x = 344,872,667,414.42/771,072.84 - Step 6: Final answer
x = 447,263.41
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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.