Finding the Fourth Proportional to 947,046.99, 1,306,903.37 and 517,329.03
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Solution
The fourth proportional to 947,046.99, 1,306,903.37 and 517,329.03 is: 713,902.33
Step by Step Solution
- Step 1: Write the proportion equation
947,046.99 : 1,306,903.37 = 517,329.03 : x - Step 2: Convert to fraction form
947,046.99/1,306,903.37 = 517,329.03/x - Step 3: Cross multiply
947,046.99x = 1,306,903.37 × 517,329.03 - Step 4: Simplify right side
947,046.99x = 676,099,050,119.19 - Step 5: Solve for x
x = 676,099,050,119.19/947,046.99 - Step 6: Final answer
x = 713,902.33
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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.