Finding the Fourth Proportional to 519,822.62, 780,044.97 and 477,521.18
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Solution
The fourth proportional to 519,822.62, 780,044.97 and 477,521.18 is: 716,567.50
Step by Step Solution
- Step 1: Write the proportion equation
519,822.62 : 780,044.97 = 477,521.18 : x - Step 2: Convert to fraction form
519,822.62/780,044.97 = 477,521.18/x - Step 3: Cross multiply
519,822.62x = 780,044.97 × 477,521.18 - Step 4: Simplify right side
519,822.62x = 372,487,994,527.47 - Step 5: Solve for x
x = 372,487,994,527.47/519,822.62 - Step 6: Final answer
x = 716,567.50
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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.