Finding the Fourth Proportional to 533,715.74, 736,455.02 and 318,810.18
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Solution
The fourth proportional to 533,715.74, 736,455.02 and 318,810.18 is: 439,914.62
Step by Step Solution
- Step 1: Write the proportion equation
533,715.74 : 736,455.02 = 318,810.18 : x - Step 2: Convert to fraction form
533,715.74/736,455.02 = 318,810.18/x - Step 3: Cross multiply
533,715.74x = 736,455.02 × 318,810.18 - Step 4: Simplify right side
533,715.74x = 234,789,355,894.05 - Step 5: Solve for x
x = 234,789,355,894.05/533,715.74 - Step 6: Final answer
x = 439,914.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.