Finding the Fourth Proportional to 545,363.70, 817,243.65 and 395,918.70
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Solution
The fourth proportional to 545,363.70, 817,243.65 and 395,918.70 is: 593,295.89
Step by Step Solution
- Step 1: Write the proportion equation
545,363.70 : 817,243.65 = 395,918.70 : x - Step 2: Convert to fraction form
545,363.70/817,243.65 = 395,918.70/x - Step 3: Cross multiply
545,363.70x = 817,243.65 × 395,918.70 - Step 4: Simplify right side
545,363.70x = 323,562,043,491.26 - Step 5: Solve for x
x = 323,562,043,491.26/545,363.70 - Step 6: Final answer
x = 593,295.89
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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.