Finding the Fourth Proportional to 704,879.09, 972,707.08 and 382,582.32
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Solution
The fourth proportional to 704,879.09, 972,707.08 and 382,582.32 is: 527,949.45
Step by Step Solution
- Step 1: Write the proportion equation
704,879.09 : 972,707.08 = 382,582.32 : x - Step 2: Convert to fraction form
704,879.09/972,707.08 = 382,582.32/x - Step 3: Cross multiply
704,879.09x = 972,707.08 × 382,582.32 - Step 4: Simplify right side
704,879.09x = 372,140,531,346.83 - Step 5: Solve for x
x = 372,140,531,346.83/704,879.09 - Step 6: Final answer
x = 527,949.45
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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.