Finding the Fourth Proportional to 947,847.08, 1,307,936.43 and 539,916.91
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Solution
The fourth proportional to 947,847.08, 1,307,936.43 and 539,916.91 is: 745,032.62
Step by Step Solution
- Step 1: Write the proportion equation
947,847.08 : 1,307,936.43 = 539,916.91 : x - Step 2: Convert to fraction form
947,847.08/1,307,936.43 = 539,916.91/x - Step 3: Cross multiply
947,847.08x = 1,307,936.43 × 539,916.91 - Step 4: Simplify right side
947,847.08x = 706,176,992,492.19 - Step 5: Solve for x
x = 706,176,992,492.19/947,847.08 - Step 6: Final answer
x = 745,032.62
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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.