Finding the Fourth Proportional to 636,717.24, 878,699.34 and 350,232.12
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Solution
The fourth proportional to 636,717.24, 878,699.34 and 350,232.12 is: 483,336.58
Step by Step Solution
- Step 1: Write the proportion equation
636,717.24 : 878,699.34 = 350,232.12 : x - Step 2: Convert to fraction form
636,717.24/878,699.34 = 350,232.12/x - Step 3: Cross multiply
636,717.24x = 878,699.34 × 350,232.12 - Step 4: Simplify right side
636,717.24x = 307,748,732,690.80 - Step 5: Solve for x
x = 307,748,732,690.80/636,717.24 - Step 6: Final answer
x = 483,336.58
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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.