Finding the Fourth Proportional to 683,206.70, 1,024,847.58 and 283,887.86
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Solution
The fourth proportional to 683,206.70, 1,024,847.58 and 283,887.86 is: 425,847.38
Step by Step Solution
- Step 1: Write the proportion equation
683,206.70 : 1,024,847.58 = 283,887.86 : x - Step 2: Convert to fraction form
683,206.70/1,024,847.58 = 283,887.86/x - Step 3: Cross multiply
683,206.70x = 1,024,847.58 × 283,887.86 - Step 4: Simplify right side
683,206.70x = 290,941,786,312.38 - Step 5: Solve for x
x = 290,941,786,312.38/683,206.70 - Step 6: Final answer
x = 425,847.38
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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.