Finding the Fourth Proportional to 870,356.24, 1,304,922 and 337,428.08
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Solution
The fourth proportional to 870,356.24, 1,304,922 and 337,428.08 is: 505,904.71
Step by Step Solution
- Step 1: Write the proportion equation
870,356.24 : 1,304,922 = 337,428.08 : x - Step 2: Convert to fraction form
870,356.24/1,304,922 = 337,428.08/x - Step 3: Cross multiply
870,356.24x = 1,304,922 × 337,428.08 - Step 4: Simplify right side
870,356.24x = 440,317,325,009.76 - Step 5: Solve for x
x = 440,317,325,009.76/870,356.24 - Step 6: Final answer
x = 505,904.71
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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.