Finding the Fourth Proportional to 898,593.21, 1,237,951.17 and 626,166.72
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Solution
The fourth proportional to 898,593.21, 1,237,951.17 and 626,166.72 is: 862,641.53
Step by Step Solution
- Step 1: Write the proportion equation
898,593.21 : 1,237,951.17 = 626,166.72 : x - Step 2: Convert to fraction form
898,593.21/1,237,951.17 = 626,166.72/x - Step 3: Cross multiply
898,593.21x = 1,237,951.17 × 626,166.72 - Step 4: Simplify right side
898,593.21x = 775,163,823,639.06 - Step 5: Solve for x
x = 775,163,823,639.06/898,593.21 - Step 6: Final answer
x = 862,641.53
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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.