Finding the Fourth Proportional to 892,631.08, 1,231,289.94 and 529,815.88
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Solution
The fourth proportional to 892,631.08, 1,231,289.94 and 529,815.88 is: 730,824.84
Step by Step Solution
- Step 1: Write the proportion equation
892,631.08 : 1,231,289.94 = 529,815.88 : x - Step 2: Convert to fraction form
892,631.08/1,231,289.94 = 529,815.88/x - Step 3: Cross multiply
892,631.08x = 1,231,289.94 × 529,815.88 - Step 4: Simplify right side
892,631.08x = 652,356,963,096.25 - Step 5: Solve for x
x = 652,356,963,096.25/892,631.08 - Step 6: Final answer
x = 730,824.84
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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.