Finding the Fourth Proportional to 585,699.36, 808,269.84 and 317,427.36
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Solution
The fourth proportional to 585,699.36, 808,269.84 and 317,427.36 is: 438,052.32
Step by Step Solution
- Step 1: Write the proportion equation
585,699.36 : 808,269.84 = 317,427.36 : x - Step 2: Convert to fraction form
585,699.36/808,269.84 = 317,427.36/x - Step 3: Cross multiply
585,699.36x = 808,269.84 × 317,427.36 - Step 4: Simplify right side
585,699.36x = 256,566,961,478.82 - Step 5: Solve for x
x = 256,566,961,478.82/585,699.36 - Step 6: Final answer
x = 438,052.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.