Finding the Fourth Proportional to 709,583.09, 1,064,514.66 and 260,307.68
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Solution
The fourth proportional to 709,583.09, 1,064,514.66 and 260,307.68 is: 390,512.88
Step by Step Solution
- Step 1: Write the proportion equation
709,583.09 : 1,064,514.66 = 260,307.68 : x - Step 2: Convert to fraction form
709,583.09/1,064,514.66 = 260,307.68/x - Step 3: Cross multiply
709,583.09x = 1,064,514.66 × 260,307.68 - Step 4: Simplify right side
709,583.09x = 277,101,335,171.86 - Step 5: Solve for x
x = 277,101,335,171.86/709,583.09 - Step 6: Final answer
x = 390,512.88
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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.