Finding the Fourth Proportional to 768,310.08, 1,060,327.98 and 428,829.36
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Solution
The fourth proportional to 768,310.08, 1,060,327.98 and 428,829.36 is: 591,818.04
Step by Step Solution
- Step 1: Write the proportion equation
768,310.08 : 1,060,327.98 = 428,829.36 : x - Step 2: Convert to fraction form
768,310.08/1,060,327.98 = 428,829.36/x - Step 3: Cross multiply
768,310.08x = 1,060,327.98 × 428,829.36 - Step 4: Simplify right side
768,310.08x = 454,699,769,053.49 - Step 5: Solve for x
x = 454,699,769,053.49/768,310.08 - Step 6: Final answer
x = 591,818.04
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.