Finding the Fourth Proportional to 708,049.64, 977,108.58 and 385,759.70
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Solution
The fourth proportional to 708,049.64, 977,108.58 and 385,759.70 is: 532,348.43
Step by Step Solution
- Step 1: Write the proportion equation
708,049.64 : 977,108.58 = 385,759.70 : x - Step 2: Convert to fraction form
708,049.64/977,108.58 = 385,759.70/x - Step 3: Cross multiply
708,049.64x = 977,108.58 × 385,759.70 - Step 4: Simplify right side
708,049.64x = 376,929,112,688.23 - Step 5: Solve for x
x = 376,929,112,688.23/708,049.64 - Step 6: Final answer
x = 532,348.43
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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.