Finding the Fourth Proportional to 988,756.59, 1,364,520.84 and 559,011.09
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Solution
The fourth proportional to 988,756.59, 1,364,520.84 and 559,011.09 is: 771,456.08
Step by Step Solution
- Step 1: Write the proportion equation
988,756.59 : 1,364,520.84 = 559,011.09 : x - Step 2: Convert to fraction form
988,756.59/1,364,520.84 = 559,011.09/x - Step 3: Cross multiply
988,756.59x = 1,364,520.84 × 559,011.09 - Step 4: Simplify right side
988,756.59x = 762,782,282,096.12 - Step 5: Solve for x
x = 762,782,282,096.12/988,756.59 - Step 6: Final answer
x = 771,456.08
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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.