Finding the Fourth Proportional to 455,887.37, 683,219.80 and 354,807.48
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Solution
The fourth proportional to 455,887.37, 683,219.80 and 354,807.48 is: 531,735.49
Step by Step Solution
- Step 1: Write the proportion equation
455,887.37 : 683,219.80 = 354,807.48 : x - Step 2: Convert to fraction form
455,887.37/683,219.80 = 354,807.48/x - Step 3: Cross multiply
455,887.37x = 683,219.80 × 354,807.48 - Step 4: Simplify right side
455,887.37x = 242,411,495,524.10 - Step 5: Solve for x
x = 242,411,495,524.10/455,887.37 - Step 6: Final answer
x = 531,735.49
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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.