Finding the Fourth Proportional to 662,848.11, 914,439.36 and 447,909.75
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Solution
The fourth proportional to 662,848.11, 914,439.36 and 447,909.75 is: 617,918.79
Step by Step Solution
- Step 1: Write the proportion equation
662,848.11 : 914,439.36 = 447,909.75 : x - Step 2: Convert to fraction form
662,848.11/914,439.36 = 447,909.75/x - Step 3: Cross multiply
662,848.11x = 914,439.36 × 447,909.75 - Step 4: Simplify right side
662,848.11x = 409,586,305,127.76 - Step 5: Solve for x
x = 409,586,305,127.76/662,848.11 - Step 6: Final answer
x = 617,918.79
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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.