Finding the Fourth Proportional to 587,902.05, 811,281.18 and 346,194.81
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Solution
The fourth proportional to 587,902.05, 811,281.18 and 346,194.81 is: 477,734.91
Step by Step Solution
- Step 1: Write the proportion equation
587,902.05 : 811,281.18 = 346,194.81 : x - Step 2: Convert to fraction form
587,902.05/811,281.18 = 346,194.81/x - Step 3: Cross multiply
587,902.05x = 811,281.18 × 346,194.81 - Step 4: Simplify right side
587,902.05x = 280,861,333,966.68 - Step 5: Solve for x
x = 280,861,333,966.68/587,902.05 - Step 6: Final answer
x = 477,734.91
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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.