Finding the Fourth Proportional to 471,807.90, 706,675.05 and 419,276.70
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Solution
The fourth proportional to 471,807.90, 706,675.05 and 419,276.70 is: 627,993.69
Step by Step Solution
- Step 1: Write the proportion equation
471,807.90 : 706,675.05 = 419,276.70 : x - Step 2: Convert to fraction form
471,807.90/706,675.05 = 419,276.70/x - Step 3: Cross multiply
471,807.90x = 706,675.05 × 419,276.70 - Step 4: Simplify right side
471,807.90x = 296,292,382,936.34 - Step 5: Solve for x
x = 296,292,382,936.34/471,807.90 - Step 6: Final answer
x = 627,993.69
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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.