Finding the Fourth Proportional to 992,285.10, 1,369,239.39 and 562,479.66
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Solution
The fourth proportional to 992,285.10, 1,369,239.39 and 562,479.66 is: 776,157.28
Step by Step Solution
- Step 1: Write the proportion equation
992,285.10 : 1,369,239.39 = 562,479.66 : x - Step 2: Convert to fraction form
992,285.10/1,369,239.39 = 562,479.66/x - Step 3: Cross multiply
992,285.10x = 1,369,239.39 × 562,479.66 - Step 4: Simplify right side
992,285.10x = 770,169,306,545.81 - Step 5: Solve for x
x = 770,169,306,545.81/992,285.10 - Step 6: Final answer
x = 776,157.28
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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.