Finding the Fourth Proportional to 561,983.04, 776,409.84 and 471,198.24
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Solution
The fourth proportional to 561,983.04, 776,409.84 and 471,198.24 is: 650,985.75
Step by Step Solution
- Step 1: Write the proportion equation
561,983.04 : 776,409.84 = 471,198.24 : x - Step 2: Convert to fraction form
561,983.04/776,409.84 = 471,198.24/x - Step 3: Cross multiply
561,983.04x = 776,409.84 × 471,198.24 - Step 4: Simplify right side
561,983.04x = 365,842,950,126.68 - Step 5: Solve for x
x = 365,842,950,126.68/561,983.04 - Step 6: Final answer
x = 650,985.75
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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.