Finding the Fourth Proportional to 587,838.92, 811,292.76 and 346,143.99
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Solution
The fourth proportional to 587,838.92, 811,292.76 and 346,143.99 is: 477,722.89
Step by Step Solution
- Step 1: Write the proportion equation
587,838.92 : 811,292.76 = 346,143.99 : x - Step 2: Convert to fraction form
587,838.92/811,292.76 = 346,143.99/x - Step 3: Cross multiply
587,838.92x = 811,292.76 × 346,143.99 - Step 4: Simplify right side
587,838.92x = 280,824,108,447.79 - Step 5: Solve for x
x = 280,824,108,447.79/587,838.92 - Step 6: Final answer
x = 477,722.89
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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.