Finding the Fourth Proportional to 566,775.77, 782,186.18 and 312,126.98
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Solution
The fourth proportional to 566,775.77, 782,186.18 and 312,126.98 is: 430,754.84
Step by Step Solution
- Step 1: Write the proportion equation
566,775.77 : 782,186.18 = 312,126.98 : x - Step 2: Convert to fraction form
566,775.77/782,186.18 = 312,126.98/x - Step 3: Cross multiply
566,775.77x = 782,186.18 × 312,126.98 - Step 4: Simplify right side
566,775.77x = 244,141,404,689.57 - Step 5: Solve for x
x = 244,141,404,689.57/566,775.77 - Step 6: Final answer
x = 430,754.84
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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.