Finding the Fourth Proportional to 722,342.24, 996,756.48 and 400,043.84
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Solution
The fourth proportional to 722,342.24, 996,756.48 and 400,043.84 is: 552,018.51
Step by Step Solution
- Step 1: Write the proportion equation
722,342.24 : 996,756.48 = 400,043.84 : x - Step 2: Convert to fraction form
722,342.24/996,756.48 = 400,043.84/x - Step 3: Cross multiply
722,342.24x = 996,756.48 × 400,043.84 - Step 4: Simplify right side
722,342.24x = 398,746,289,804.08 - Step 5: Solve for x
x = 398,746,289,804.08/722,342.24 - Step 6: Final answer
x = 552,018.51
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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.