Finding the Fourth Proportional to 768,463.52, 1,152,750.65 and 295,148.84
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Solution
The fourth proportional to 768,463.52, 1,152,750.65 and 295,148.84 is: 442,744.52
Step by Step Solution
- Step 1: Write the proportion equation
768,463.52 : 1,152,750.65 = 295,148.84 : x - Step 2: Convert to fraction form
768,463.52/1,152,750.65 = 295,148.84/x - Step 3: Cross multiply
768,463.52x = 1,152,750.65 × 295,148.84 - Step 4: Simplify right side
768,463.52x = 340,233,009,917.25 - Step 5: Solve for x
x = 340,233,009,917.25/768,463.52 - Step 6: Final answer
x = 442,744.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.