Finding the Fourth Proportional to 519,800.99, 717,331.34 and 304,944.71
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Solution
The fourth proportional to 519,800.99, 717,331.34 and 304,944.71 is: 420,827.20
Step by Step Solution
- Step 1: Write the proportion equation
519,800.99 : 717,331.34 = 304,944.71 : x - Step 2: Convert to fraction form
519,800.99/717,331.34 = 304,944.71/x - Step 3: Cross multiply
519,800.99x = 717,331.34 × 304,944.71 - Step 4: Simplify right side
519,800.99x = 218,746,394,625.92 - Step 5: Solve for x
x = 218,746,394,625.92/519,800.99 - Step 6: Final answer
x = 420,827.20
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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.