Finding the Fourth Proportional to 985,996.08, 1,479,157.56 and 346,133.88
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Solution
The fourth proportional to 985,996.08, 1,479,157.56 and 346,133.88 is: 519,258.20
Step by Step Solution
- Step 1: Write the proportion equation
985,996.08 : 1,479,157.56 = 346,133.88 : x - Step 2: Convert to fraction form
985,996.08/1,479,157.56 = 346,133.88/x - Step 3: Cross multiply
985,996.08x = 1,479,157.56 × 346,133.88 - Step 4: Simplify right side
985,996.08x = 511,986,545,374.13 - Step 5: Solve for x
x = 511,986,545,374.13/985,996.08 - Step 6: Final answer
x = 519,258.20
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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.