Finding the Fourth Proportional to 519,573.80, 717,175.14 and 304,800.68
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Solution
The fourth proportional to 519,573.80, 717,175.14 and 304,800.68 is: 420,720.73
Step by Step Solution
- Step 1: Write the proportion equation
519,573.80 : 717,175.14 = 304,800.68 : x - Step 2: Convert to fraction form
519,573.80/717,175.14 = 304,800.68/x - Step 3: Cross multiply
519,573.80x = 717,175.14 × 304,800.68 - Step 4: Simplify right side
519,573.80x = 218,595,470,351.10 - Step 5: Solve for x
x = 218,595,470,351.10/519,573.80 - Step 6: Final answer
x = 420,720.73
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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.