Finding the Fourth Proportional to 587,901.05, 811,279.80 and 346,193.81
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Solution
The fourth proportional to 587,901.05, 811,279.80 and 346,193.81 is: 477,733.53
Step by Step Solution
- Step 1: Write the proportion equation
587,901.05 : 811,279.80 = 346,193.81 : x - Step 2: Convert to fraction form
587,901.05/811,279.80 = 346,193.81/x - Step 3: Cross multiply
587,901.05x = 811,279.80 × 346,193.81 - Step 4: Simplify right side
587,901.05x = 280,860,040,881.64 - Step 5: Solve for x
x = 280,860,040,881.64/587,901.05 - Step 6: Final answer
x = 477,733.53
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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.