Finding the Fourth Proportional to 923,046.63, 1,273,848.08 and 520,638.63
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Solution
The fourth proportional to 923,046.63, 1,273,848.08 and 520,638.63 is: 718,505.98
Step by Step Solution
- Step 1: Write the proportion equation
923,046.63 : 1,273,848.08 = 520,638.63 : x - Step 2: Convert to fraction form
923,046.63/1,273,848.08 = 520,638.63/x - Step 3: Cross multiply
923,046.63x = 1,273,848.08 × 520,638.63 - Step 4: Simplify right side
923,046.63x = 663,214,519,199.33 - Step 5: Solve for x
x = 663,214,519,199.33/923,046.63 - Step 6: Final answer
x = 718,505.98
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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.