Finding the Fourth Proportional to 855,184.70, 1,282,777.05 and 455,619.80
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Solution
The fourth proportional to 855,184.70, 1,282,777.05 and 455,619.80 is: 683,429.70
Step by Step Solution
- Step 1: Write the proportion equation
855,184.70 : 1,282,777.05 = 455,619.80 : x - Step 2: Convert to fraction form
855,184.70/1,282,777.05 = 455,619.80/x - Step 3: Cross multiply
855,184.70x = 1,282,777.05 × 455,619.80 - Step 4: Simplify right side
855,184.70x = 584,458,622,965.59 - Step 5: Solve for x
x = 584,458,622,965.59/855,184.70 - Step 6: Final answer
x = 683,429.70
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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.