Finding the Fourth Proportional to 992,474.28, 1,369,305.54 and 562,720.68
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Solution
The fourth proportional to 992,474.28, 1,369,305.54 and 562,720.68 is: 776,379.36
Step by Step Solution
- Step 1: Write the proportion equation
992,474.28 : 1,369,305.54 = 562,720.68 : x - Step 2: Convert to fraction form
992,474.28/1,369,305.54 = 562,720.68/x - Step 3: Cross multiply
992,474.28x = 1,369,305.54 × 562,720.68 - Step 4: Simplify right side
992,474.28x = 770,536,544,596.57 - Step 5: Solve for x
x = 770,536,544,596.57/992,474.28 - Step 6: Final answer
x = 776,379.36
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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.