Finding the Fourth Proportional to 822,948.96, 1,233,153.36 and 555,661.92
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Solution
The fourth proportional to 822,948.96, 1,233,153.36 and 555,661.92 is: 832,635.31
Step by Step Solution
- Step 1: Write the proportion equation
822,948.96 : 1,233,153.36 = 555,661.92 : x - Step 2: Convert to fraction form
822,948.96/1,233,153.36 = 555,661.92/x - Step 3: Cross multiply
822,948.96x = 1,233,153.36 × 555,661.92 - Step 4: Simplify right side
822,948.96x = 685,216,363,672.05 - Step 5: Solve for x
x = 685,216,363,672.05/822,948.96 - Step 6: Final answer
x = 832,635.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.