Finding the Fourth Proportional to 774,260.39, 1,161,552.24 and 390,225.08
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Solution
The fourth proportional to 774,260.39, 1,161,552.24 and 390,225.08 is: 585,419.09
Step by Step Solution
- Step 1: Write the proportion equation
774,260.39 : 1,161,552.24 = 390,225.08 : x - Step 2: Convert to fraction form
774,260.39/1,161,552.24 = 390,225.08/x - Step 3: Cross multiply
774,260.39x = 1,161,552.24 × 390,225.08 - Step 4: Simplify right side
774,260.39x = 453,266,809,970.42 - Step 5: Solve for x
x = 453,266,809,970.42/774,260.39 - Step 6: Final answer
x = 585,419.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.