Finding the Fourth Proportional to 497,802.79, 686,966.58 and 271,448.29
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Solution
The fourth proportional to 497,802.79, 686,966.58 and 271,448.29 is: 374,597.95
Step by Step Solution
- Step 1: Write the proportion equation
497,802.79 : 686,966.58 = 271,448.29 : x - Step 2: Convert to fraction form
497,802.79/686,966.58 = 271,448.29/x - Step 3: Cross multiply
497,802.79x = 686,966.58 × 271,448.29 - Step 4: Simplify right side
497,802.79x = 186,475,903,428.15 - Step 5: Solve for x
x = 186,475,903,428.15/497,802.79 - Step 6: Final answer
x = 374,597.95
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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.