Finding the Fourth Proportional to 659,630.88, 988,782.48 and 260,554.68
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Solution
The fourth proportional to 659,630.88, 988,782.48 and 260,554.68 is: 390,569.80
Step by Step Solution
- Step 1: Write the proportion equation
659,630.88 : 988,782.48 = 260,554.68 : x - Step 2: Convert to fraction form
659,630.88/988,782.48 = 260,554.68/x - Step 3: Cross multiply
659,630.88x = 988,782.48 × 260,554.68 - Step 4: Simplify right side
659,630.88x = 257,631,902,666.01 - Step 5: Solve for x
x = 257,631,902,666.01/659,630.88 - Step 6: Final answer
x = 390,569.80
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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.