Finding the Fourth Proportional to 519,754.24, 717,139.20 and 304,883.20
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Solution
The fourth proportional to 519,754.24, 717,139.20 and 304,883.20 is: 420,667.46
Step by Step Solution
- Step 1: Write the proportion equation
519,754.24 : 717,139.20 = 304,883.20 : x - Step 2: Convert to fraction form
519,754.24/717,139.20 = 304,883.20/x - Step 3: Cross multiply
519,754.24x = 717,139.20 × 304,883.20 - Step 4: Simplify right side
519,754.24x = 218,643,694,141.44 - Step 5: Solve for x
x = 218,643,694,141.44/519,754.24 - Step 6: Final answer
x = 420,667.46
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1.5x scale
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.