Finding the Fourth Proportional to 554,879.52, 765,734.18 and 385,212.06
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Solution
The fourth proportional to 554,879.52, 765,734.18 and 385,212.06 is: 531,592.95
Step by Step Solution
- Step 1: Write the proportion equation
554,879.52 : 765,734.18 = 385,212.06 : x - Step 2: Convert to fraction form
554,879.52/765,734.18 = 385,212.06/x - Step 3: Cross multiply
554,879.52x = 765,734.18 × 385,212.06 - Step 4: Simplify right side
554,879.52x = 294,970,038,964.15 - Step 5: Solve for x
x = 294,970,038,964.15/554,879.52 - Step 6: Final answer
x = 531,592.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.