Finding the Fourth Proportional to 843,003.69, 1,163,457.68 and 475,555.79
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Solution
The fourth proportional to 843,003.69, 1,163,457.68 and 475,555.79 is: 656,330.49
Step by Step Solution
- Step 1: Write the proportion equation
843,003.69 : 1,163,457.68 = 475,555.79 : x - Step 2: Convert to fraction form
843,003.69/1,163,457.68 = 475,555.79/x - Step 3: Cross multiply
843,003.69x = 1,163,457.68 × 475,555.79 - Step 4: Simplify right side
843,003.69x = 553,289,027,948.90 - Step 5: Solve for x
x = 553,289,027,948.90/843,003.69 - Step 6: Final answer
x = 656,330.49
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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.