Finding the Fourth Proportional to 851,853.09, 1,279,225.87 and 569,358.99
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Solution
The fourth proportional to 851,853.09, 1,279,225.87 and 569,358.99 is: 855,005.12
Step by Step Solution
- Step 1: Write the proportion equation
851,853.09 : 1,279,225.87 = 569,358.99 : x - Step 2: Convert to fraction form
851,853.09/1,279,225.87 = 569,358.99/x - Step 3: Cross multiply
851,853.09x = 1,279,225.87 × 569,358.99 - Step 4: Simplify right side
851,853.09x = 728,338,749,325.07 - Step 5: Solve for x
x = 728,338,749,325.07/851,853.09 - Step 6: Final answer
x = 855,005.12
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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.