Finding the Fourth Proportional to 947,110.05, 1,306,995.39 and 517,379.13
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Solution
The fourth proportional to 947,110.05, 1,306,995.39 and 517,379.13 is: 713,974.20
Step by Step Solution
- Step 1: Write the proportion equation
947,110.05 : 1,306,995.39 = 517,379.13 : x - Step 2: Convert to fraction form
947,110.05/1,306,995.39 = 517,379.13/x - Step 3: Cross multiply
947,110.05x = 1,306,995.39 × 517,379.13 - Step 4: Simplify right side
947,110.05x = 676,212,137,792.21 - Step 5: Solve for x
x = 676,212,137,792.21/947,110.05 - Step 6: Final answer
x = 713,974.20
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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.