Finding the Fourth Proportional to 724,007.32, 999,114.84 and 401,710.48
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Solution
The fourth proportional to 724,007.32, 999,114.84 and 401,710.48 is: 554,351.99
Step by Step Solution
- Step 1: Write the proportion equation
724,007.32 : 999,114.84 = 401,710.48 : x - Step 2: Convert to fraction form
724,007.32/999,114.84 = 401,710.48/x - Step 3: Cross multiply
724,007.32x = 999,114.84 × 401,710.48 - Step 4: Simplify right side
724,007.32x = 401,354,901,951.52 - Step 5: Solve for x
x = 401,354,901,951.52/724,007.32 - Step 6: Final answer
x = 554,351.99
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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.