Finding the Fourth Proportional to 654,386.58, 980,577.15 and 440,362.62
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Solution
The fourth proportional to 654,386.58, 980,577.15 and 440,362.62 is: 659,869.16
Step by Step Solution
- Step 1: Write the proportion equation
654,386.58 : 980,577.15 = 440,362.62 : x - Step 2: Convert to fraction form
654,386.58/980,577.15 = 440,362.62/x - Step 3: Cross multiply
654,386.58x = 980,577.15 × 440,362.62 - Step 4: Simplify right side
654,386.58x = 431,809,522,886.13 - Step 5: Solve for x
x = 431,809,522,886.13/654,386.58 - Step 6: Final answer
x = 659,869.16
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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.