Finding the Fourth Proportional to 788,979.34, 1,088,525.55 and 449,207.02
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Solution
The fourth proportional to 788,979.34, 1,088,525.55 and 449,207.02 is: 619,754.27
Step by Step Solution
- Step 1: Write the proportion equation
788,979.34 : 1,088,525.55 = 449,207.02 : x - Step 2: Convert to fraction form
788,979.34/1,088,525.55 = 449,207.02/x - Step 3: Cross multiply
788,979.34x = 1,088,525.55 × 449,207.02 - Step 4: Simplify right side
788,979.34x = 488,973,318,509.36 - Step 5: Solve for x
x = 488,973,318,509.36/788,979.34 - Step 6: Final answer
x = 619,754.27
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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.