Finding the Fourth Proportional to 757,219.10, 1,134,863.85 and 402,403.10
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Solution
The fourth proportional to 757,219.10, 1,134,863.85 and 402,403.10 is: 603,091.93
Step by Step Solution
- Step 1: Write the proportion equation
757,219.10 : 1,134,863.85 = 402,403.10 : x - Step 2: Convert to fraction form
757,219.10/1,134,863.85 = 402,403.10/x - Step 3: Cross multiply
757,219.10x = 1,134,863.85 × 402,403.10 - Step 4: Simplify right side
757,219.10x = 456,672,731,317.94 - Step 5: Solve for x
x = 456,672,731,317.94/757,219.10 - Step 6: Final answer
x = 603,091.93
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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.