Finding the Fourth Proportional to 667,493.08, 921,228.06 and 380,947.48
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Solution
The fourth proportional to 667,493.08, 921,228.06 and 380,947.48 is: 525,757.52
Step by Step Solution
- Step 1: Write the proportion equation
667,493.08 : 921,228.06 = 380,947.48 : x - Step 2: Convert to fraction form
667,493.08/921,228.06 = 380,947.48/x - Step 3: Cross multiply
667,493.08x = 921,228.06 × 380,947.48 - Step 4: Simplify right side
667,493.08x = 350,939,507,962.29 - Step 5: Solve for x
x = 350,939,507,962.29/667,493.08 - Step 6: Final answer
x = 525,757.52
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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.