Finding the Fourth Proportional to 906,617.37, 1,251,105.43 and 498,718.99
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Solution
The fourth proportional to 906,617.37, 1,251,105.43 and 498,718.99 is: 688,217.61
Step by Step Solution
- Step 1: Write the proportion equation
906,617.37 : 1,251,105.43 = 498,718.99 : x - Step 2: Convert to fraction form
906,617.37/1,251,105.43 = 498,718.99/x - Step 3: Cross multiply
906,617.37x = 1,251,105.43 × 498,718.99 - Step 4: Simplify right side
906,617.37x = 623,950,036,433.12 - Step 5: Solve for x
x = 623,950,036,433.12/906,617.37 - Step 6: Final answer
x = 688,217.61
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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.