Finding the Fourth Proportional to 767,701.40, 1,151,699.70 and 294,349.84
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Solution
The fourth proportional to 767,701.40, 1,151,699.70 and 294,349.84 is: 441,581.35
Step by Step Solution
- Step 1: Write the proportion equation
767,701.40 : 1,151,699.70 = 294,349.84 : x - Step 2: Convert to fraction form
767,701.40/1,151,699.70 = 294,349.84/x - Step 3: Cross multiply
767,701.40x = 1,151,699.70 × 294,349.84 - Step 4: Simplify right side
767,701.40x = 339,002,620,951.30 - Step 5: Solve for x
x = 339,002,620,951.30/767,701.40 - Step 6: Final answer
x = 441,581.35
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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.