Finding the Fourth Proportional to 513,635.85, 708,981.93 and 360,711.09
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Solution
The fourth proportional to 513,635.85, 708,981.93 and 360,711.09 is: 497,896.80
Step by Step Solution
- Step 1: Write the proportion equation
513,635.85 : 708,981.93 = 360,711.09 : x - Step 2: Convert to fraction form
513,635.85/708,981.93 = 360,711.09/x - Step 3: Cross multiply
513,635.85x = 708,981.93 × 360,711.09 - Step 4: Simplify right side
513,635.85x = 255,737,644,760.60 - Step 5: Solve for x
x = 255,737,644,760.60/513,635.85 - Step 6: Final answer
x = 497,896.80
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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.