Finding the Fourth Proportional to 913,569.49, 1,260,693.70 and 505,672.12
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Solution
The fourth proportional to 913,569.49, 1,260,693.70 and 505,672.12 is: 697,809.70
Step by Step Solution
- Step 1: Write the proportion equation
913,569.49 : 1,260,693.70 = 505,672.12 : x - Step 2: Convert to fraction form
913,569.49/1,260,693.70 = 505,672.12/x - Step 3: Cross multiply
913,569.49x = 1,260,693.70 × 505,672.12 - Step 4: Simplify right side
913,569.49x = 637,497,655,949.64 - Step 5: Solve for x
x = 637,497,655,949.64/913,569.49 - Step 6: Final answer
x = 697,809.70
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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.