Finding the Fourth Proportional to 729,467.68, 1,006,833.36 and 427,758.88
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Solution
The fourth proportional to 729,467.68, 1,006,833.36 and 427,758.88 is: 590,405.75
Step by Step Solution
- Step 1: Write the proportion equation
729,467.68 : 1,006,833.36 = 427,758.88 : x - Step 2: Convert to fraction form
729,467.68/1,006,833.36 = 427,758.88/x - Step 3: Cross multiply
729,467.68x = 1,006,833.36 × 427,758.88 - Step 4: Simplify right side
729,467.68x = 430,681,910,420.24 - Step 5: Solve for x
x = 430,681,910,420.24/729,467.68 - Step 6: Final answer
x = 590,405.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.