Finding the Fourth Proportional to 1,063,405.08, 1,595,344.95 and 389,472.12
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Solution
The fourth proportional to 1,063,405.08, 1,595,344.95 and 389,472.12 is: 584,295.10
Step by Step Solution
- Step 1: Write the proportion equation
1,063,405.08 : 1,595,344.95 = 389,472.12 : x - Step 2: Convert to fraction form
1,063,405.08/1,595,344.95 = 389,472.12/x - Step 3: Cross multiply
1,063,405.08x = 1,595,344.95 × 389,472.12 - Step 4: Simplify right side
1,063,405.08x = 621,342,379,807.79 - Step 5: Solve for x
x = 621,342,379,807.79/1,063,405.08 - Step 6: Final answer
x = 584,295.10
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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.