Finding the Fourth Proportional to 729,931.44, 1,006,745.58 and 439,239.96
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Solution
The fourth proportional to 729,931.44, 1,006,745.58 and 439,239.96 is: 605,814.28
Step by Step Solution
- Step 1: Write the proportion equation
729,931.44 : 1,006,745.58 = 439,239.96 : x - Step 2: Convert to fraction form
729,931.44/1,006,745.58 = 439,239.96/x - Step 3: Cross multiply
729,931.44x = 1,006,745.58 × 439,239.96 - Step 4: Simplify right side
729,931.44x = 442,202,888,289.38 - Step 5: Solve for x
x = 442,202,888,289.38/729,931.44 - Step 6: Final answer
x = 605,814.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.