Finding the Fourth Proportional to 513,580.60, 708,709.08 and 284,132.44
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Solution
The fourth proportional to 513,580.60, 708,709.08 and 284,132.44 is: 392,084.98
Step by Step Solution
- Step 1: Write the proportion equation
513,580.60 : 708,709.08 = 284,132.44 : x - Step 2: Convert to fraction form
513,580.60/708,709.08 = 284,132.44/x - Step 3: Cross multiply
513,580.60x = 708,709.08 × 284,132.44 - Step 4: Simplify right side
513,580.60x = 201,367,240,150.56 - Step 5: Solve for x
x = 201,367,240,150.56/513,580.60 - Step 6: Final answer
x = 392,084.98
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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.