Finding the Fourth Proportional to 698,923.49, 1,048,386.29 and 212,609.91
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Solution
The fourth proportional to 698,923.49, 1,048,386.29 and 212,609.91 is: 318,915.19
Step by Step Solution
- Step 1: Write the proportion equation
698,923.49 : 1,048,386.29 = 212,609.91 : x - Step 2: Convert to fraction form
698,923.49/1,048,386.29 = 212,609.91/x - Step 3: Cross multiply
698,923.49x = 1,048,386.29 × 212,609.91 - Step 4: Simplify right side
698,923.49x = 222,897,313,699.08 - Step 5: Solve for x
x = 222,897,313,699.08/698,923.49 - Step 6: Final answer
x = 318,915.19
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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.