Finding the Fourth Proportional to 981,235.67, 1,472,424.57 and 412,575.58
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Solution
The fourth proportional to 981,235.67, 1,472,424.57 and 412,575.58 is: 619,103.48
Step by Step Solution
- Step 1: Write the proportion equation
981,235.67 : 1,472,424.57 = 412,575.58 : x - Step 2: Convert to fraction form
981,235.67/1,472,424.57 = 412,575.58/x - Step 3: Cross multiply
981,235.67x = 1,472,424.57 × 412,575.58 - Step 4: Simplify right side
981,235.67x = 607,486,417,292.94 - Step 5: Solve for x
x = 607,486,417,292.94/981,235.67 - Step 6: Final answer
x = 619,103.48
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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.