Finding the Fourth Proportional to 585,918.86, 808,574.36 and 344,211.62
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Solution
The fourth proportional to 585,918.86, 808,574.36 and 344,211.62 is: 475,015.76
Step by Step Solution
- Step 1: Write the proportion equation
585,918.86 : 808,574.36 = 344,211.62 : x - Step 2: Convert to fraction form
585,918.86/808,574.36 = 344,211.62/x - Step 3: Cross multiply
585,918.86x = 808,574.36 × 344,211.62 - Step 4: Simplify right side
585,918.86x = 278,320,690,346.06 - Step 5: Solve for x
x = 278,320,690,346.06/585,918.86 - Step 6: Final answer
x = 475,015.76
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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.