Finding the Fourth Proportional to 756,302.31, 1,134,449.28 and 436,246.70
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Solution
The fourth proportional to 756,302.31, 1,134,449.28 and 436,246.70 is: 654,367.63
Step by Step Solution
- Step 1: Write the proportion equation
756,302.31 : 1,134,449.28 = 436,246.70 : x - Step 2: Convert to fraction form
756,302.31/1,134,449.28 = 436,246.70/x - Step 3: Cross multiply
756,302.31x = 1,134,449.28 × 436,246.70 - Step 4: Simplify right side
756,302.31x = 494,899,749,045.13 - Step 5: Solve for x
x = 494,899,749,045.13/756,302.31 - Step 6: Final answer
x = 654,367.63
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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.