Finding the Fourth Proportional to 768,698.08, 1,061,245.94 and 510,924.49
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Solution
The fourth proportional to 768,698.08, 1,061,245.94 and 510,924.49 is: 705,369.96
Step by Step Solution
- Step 1: Write the proportion equation
768,698.08 : 1,061,245.94 = 510,924.49 : x - Step 2: Convert to fraction form
768,698.08/1,061,245.94 = 510,924.49/x - Step 3: Cross multiply
768,698.08x = 1,061,245.94 × 510,924.49 - Step 4: Simplify right side
768,698.08x = 542,216,532,798.22 - Step 5: Solve for x
x = 542,216,532,798.22/768,698.08 - Step 6: Final answer
x = 705,369.96
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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.