Finding the Fourth Proportional to 683,314.79, 1,024,975.82 and 448,146.68
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Solution
The fourth proportional to 683,314.79, 1,024,975.82 and 448,146.68 is: 672,222.40
Step by Step Solution
- Step 1: Write the proportion equation
683,314.79 : 1,024,975.82 = 448,146.68 : x - Step 2: Convert to fraction form
683,314.79/1,024,975.82 = 448,146.68/x - Step 3: Cross multiply
683,314.79x = 1,024,975.82 × 448,146.68 - Step 4: Simplify right side
683,314.79x = 459,339,506,808.77 - Step 5: Solve for x
x = 459,339,506,808.77/683,314.79 - Step 6: Final answer
x = 672,222.40
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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.