Finding the Fourth Proportional to 827,013.24, 1,141,711.74 and 556,503.48
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Solution
The fourth proportional to 827,013.24, 1,141,711.74 and 556,503.48 is: 768,266.49
Step by Step Solution
- Step 1: Write the proportion equation
827,013.24 : 1,141,711.74 = 556,503.48 : x - Step 2: Convert to fraction form
827,013.24/1,141,711.74 = 556,503.48/x - Step 3: Cross multiply
827,013.24x = 1,141,711.74 × 556,503.48 - Step 4: Simplify right side
827,013.24x = 635,366,556,466.86 - Step 5: Solve for x
x = 635,366,556,466.86/827,013.24 - Step 6: Final answer
x = 768,266.49
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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.