Finding the Fourth Proportional to 748,747.46, 1,122,709.89 and 368,832.26
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Solution
The fourth proportional to 748,747.46, 1,122,709.89 and 368,832.26 is: 553,045.79
Step by Step Solution
- Step 1: Write the proportion equation
748,747.46 : 1,122,709.89 = 368,832.26 : x - Step 2: Convert to fraction form
748,747.46/1,122,709.89 = 368,832.26/x - Step 3: Cross multiply
748,747.46x = 1,122,709.89 × 368,832.26 - Step 4: Simplify right side
748,747.46x = 414,091,630,242.95 - Step 5: Solve for x
x = 414,091,630,242.95/748,747.46 - Step 6: Final answer
x = 553,045.79
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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.