Finding the Fourth Proportional to 870,303.69, 1,304,557.52 and 365,157.99
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Solution
The fourth proportional to 870,303.69, 1,304,557.52 and 365,157.99 is: 547,360.20
Step by Step Solution
- Step 1: Write the proportion equation
870,303.69 : 1,304,557.52 = 365,157.99 : x - Step 2: Convert to fraction form
870,303.69/1,304,557.52 = 365,157.99/x - Step 3: Cross multiply
870,303.69x = 1,304,557.52 × 365,157.99 - Step 4: Simplify right side
870,303.69x = 476,369,600,016.80 - Step 5: Solve for x
x = 476,369,600,016.80/870,303.69 - Step 6: Final answer
x = 547,360.20
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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.