Finding the Fourth Proportional to 887,040.05, 1,330,080.68 and 279,713.79
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Solution
The fourth proportional to 887,040.05, 1,330,080.68 and 279,713.79 is: 419,419.52
Step by Step Solution
- Step 1: Write the proportion equation
887,040.05 : 1,330,080.68 = 279,713.79 : x - Step 2: Convert to fraction form
887,040.05/1,330,080.68 = 279,713.79/x - Step 3: Cross multiply
887,040.05x = 1,330,080.68 × 279,713.79 - Step 4: Simplify right side
887,040.05x = 372,041,908,707.86 - Step 5: Solve for x
x = 372,041,908,707.86/887,040.05 - Step 6: Final answer
x = 419,419.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.