Finding the Fourth Proportional to 875,597.31, 1,313,325.99 and 389,430.14
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Solution
The fourth proportional to 875,597.31, 1,313,325.99 and 389,430.14 is: 584,114.08
Step by Step Solution
- Step 1: Write the proportion equation
875,597.31 : 1,313,325.99 = 389,430.14 : x - Step 2: Convert to fraction form
875,597.31/1,313,325.99 = 389,430.14/x - Step 3: Cross multiply
875,597.31x = 1,313,325.99 × 389,430.14 - Step 4: Simplify right side
875,597.31x = 511,448,717,584.71 - Step 5: Solve for x
x = 511,448,717,584.71/875,597.31 - Step 6: Final answer
x = 584,114.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.