Finding the Fourth Proportional to 708,126.03, 977,201.58 and 385,838.79
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Solution
The fourth proportional to 708,126.03, 977,201.58 and 385,838.79 is: 532,450.81
Step by Step Solution
- Step 1: Write the proportion equation
708,126.03 : 977,201.58 = 385,838.79 : x - Step 2: Convert to fraction form
708,126.03/977,201.58 = 385,838.79/x - Step 3: Cross multiply
708,126.03x = 977,201.58 × 385,838.79 - Step 4: Simplify right side
708,126.03x = 377,042,275,213.29 - Step 5: Solve for x
x = 377,042,275,213.29/708,126.03 - Step 6: Final answer
x = 532,450.81
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1.5x scale
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.