Finding the Fourth Proportional to 649,318.38, 973,949.84 and 634,113.26
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Solution
The fourth proportional to 649,318.38, 973,949.84 and 634,113.26 is: 951,142.82
Step by Step Solution
- Step 1: Write the proportion equation
649,318.38 : 973,949.84 = 634,113.26 : x - Step 2: Convert to fraction form
649,318.38/973,949.84 = 634,113.26/x - Step 3: Cross multiply
649,318.38x = 973,949.84 × 634,113.26 - Step 4: Simplify right side
649,318.38x = 617,594,508,118.88 - Step 5: Solve for x
x = 617,594,508,118.88/649,318.38 - Step 6: Final answer
x = 951,142.82
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.