Finding the Fourth Proportional to 880,006.68, 1,214,409.71 and 477,598.68
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Solution
The fourth proportional to 880,006.68, 1,214,409.71 and 477,598.68 is: 659,086.45
Step by Step Solution
- Step 1: Write the proportion equation
880,006.68 : 1,214,409.71 = 477,598.68 : x - Step 2: Convert to fraction form
880,006.68/1,214,409.71 = 477,598.68/x - Step 3: Cross multiply
880,006.68x = 1,214,409.71 × 477,598.68 - Step 4: Simplify right side
880,006.68x = 580,000,475,669.18 - Step 5: Solve for x
x = 580,000,475,669.18/880,006.68 - Step 6: Final answer
x = 659,086.45
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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.