Finding the Fourth Proportional to 898,549.24, 1,239,991.86 and 496,141.24
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Solution
The fourth proportional to 898,549.24, 1,239,991.86 and 496,141.24 is: 684,671.55
Step by Step Solution
- Step 1: Write the proportion equation
898,549.24 : 1,239,991.86 = 496,141.24 : x - Step 2: Convert to fraction form
898,549.24/1,239,991.86 = 496,141.24/x - Step 3: Cross multiply
898,549.24x = 1,239,991.86 × 496,141.24 - Step 4: Simplify right side
898,549.24x = 615,211,099,010.31 - Step 5: Solve for x
x = 615,211,099,010.31/898,549.24 - Step 6: Final answer
x = 684,671.55
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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.