Finding the Fourth Proportional to 708,311.96, 977,441.97 and 386,015.08
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Solution
The fourth proportional to 708,311.96, 977,441.97 and 386,015.08 is: 532,685.26
Step by Step Solution
- Step 1: Write the proportion equation
708,311.96 : 977,441.97 = 386,015.08 : x - Step 2: Convert to fraction form
708,311.96/977,441.97 = 386,015.08/x - Step 3: Cross multiply
708,311.96x = 977,441.97 × 386,015.08 - Step 4: Simplify right side
708,311.96x = 377,307,338,314.83 - Step 5: Solve for x
x = 377,307,338,314.83/708,311.96 - Step 6: Final answer
x = 532,685.26
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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.