Finding the Fourth Proportional to 901,982.79, 1,244,756.35 and 514,790.50
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Solution
The fourth proportional to 901,982.79, 1,244,756.35 and 514,790.50 is: 710,422.36
Step by Step Solution
- Step 1: Write the proportion equation
901,982.79 : 1,244,756.35 = 514,790.50 : x - Step 2: Convert to fraction form
901,982.79/1,244,756.35 = 514,790.50/x - Step 3: Cross multiply
901,982.79x = 1,244,756.35 × 514,790.50 - Step 4: Simplify right side
901,982.79x = 640,788,743,794.68 - Step 5: Solve for x
x = 640,788,743,794.68/901,982.79 - Step 6: Final answer
x = 710,422.36
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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.