Finding the Fourth Proportional to 896,395.74, 1,236,982.05 and 488,496.34
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Solution
The fourth proportional to 896,395.74, 1,236,982.05 and 488,496.34 is: 674,100.94
Step by Step Solution
- Step 1: Write the proportion equation
896,395.74 : 1,236,982.05 = 488,496.34 : x - Step 2: Convert to fraction form
896,395.74/1,236,982.05 = 488,496.34/x - Step 3: Cross multiply
896,395.74x = 1,236,982.05 × 488,496.34 - Step 4: Simplify right side
896,395.74x = 604,261,205,616.93 - Step 5: Solve for x
x = 604,261,205,616.93/896,395.74 - Step 6: Final answer
x = 674,100.94
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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.