Finding the Fourth Proportional to 834,142.08, 1,251,021.20 and 497,277.84
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Solution
The fourth proportional to 834,142.08, 1,251,021.20 and 497,277.84 is: 745,802.35
Step by Step Solution
- Step 1: Write the proportion equation
834,142.08 : 1,251,021.20 = 497,277.84 : x - Step 2: Convert to fraction form
834,142.08/1,251,021.20 = 497,277.84/x - Step 3: Cross multiply
834,142.08x = 1,251,021.20 × 497,277.84 - Step 4: Simplify right side
834,142.08x = 622,105,120,130.21 - Step 5: Solve for x
x = 622,105,120,130.21/834,142.08 - Step 6: Final answer
x = 745,802.35
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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.