Finding the Fourth Proportional to 553,637.67, 764,019.99 and 298,988.84
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Solution
The fourth proportional to 553,637.67, 764,019.99 and 298,988.84 is: 412,604.60
Step by Step Solution
- Step 1: Write the proportion equation
553,637.67 : 764,019.99 = 298,988.84 : x - Step 2: Convert to fraction form
553,637.67/764,019.99 = 298,988.84/x - Step 3: Cross multiply
553,637.67x = 764,019.99 × 298,988.84 - Step 4: Simplify right side
553,637.67x = 228,433,450,546.91 - Step 5: Solve for x
x = 228,433,450,546.91/553,637.67 - Step 6: Final answer
x = 412,604.60
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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.