Finding the Fourth Proportional to 888,911.76, 1,226,701.48 and 481,013.60
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Solution
The fourth proportional to 888,911.76, 1,226,701.48 and 481,013.60 is: 663,800.53
Step by Step Solution
- Step 1: Write the proportion equation
888,911.76 : 1,226,701.48 = 481,013.60 : x - Step 2: Convert to fraction form
888,911.76/1,226,701.48 = 481,013.60/x - Step 3: Cross multiply
888,911.76x = 1,226,701.48 × 481,013.60 - Step 4: Simplify right side
888,911.76x = 590,060,095,020.13 - Step 5: Solve for x
x = 590,060,095,020.13/888,911.76 - Step 6: Final answer
x = 663,800.53
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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.