Finding the Fourth Proportional to 455,883.52, 683,214.02 and 354,803.62
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Solution
The fourth proportional to 455,883.52, 683,214.02 and 354,803.62 is: 531,729.70
Step by Step Solution
- Step 1: Write the proportion equation
455,883.52 : 683,214.02 = 354,803.62 : x - Step 2: Convert to fraction form
455,883.52/683,214.02 = 354,803.62/x - Step 3: Cross multiply
455,883.52x = 683,214.02 × 354,803.62 - Step 4: Simplify right side
455,883.52x = 242,406,804,048.70 - Step 5: Solve for x
x = 242,406,804,048.70/455,883.52 - Step 6: Final answer
x = 531,729.70
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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.