Finding the Fourth Proportional to 834,349.91, 1,151,395.91 and 471,844.94
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Solution
The fourth proportional to 834,349.91, 1,151,395.91 and 471,844.94 is: 651,142.07
Step by Step Solution
- Step 1: Write the proportion equation
834,349.91 : 1,151,395.91 = 471,844.94 : x - Step 2: Convert to fraction form
834,349.91/1,151,395.91 = 471,844.94/x - Step 3: Cross multiply
834,349.91x = 1,151,395.91 × 471,844.94 - Step 4: Simplify right side
834,349.91x = 543,280,325,953.99 - Step 5: Solve for x
x = 543,280,325,953.99/834,349.91 - Step 6: Final answer
x = 651,142.07
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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.