Finding the Fourth Proportional to 932,485.12, 1,398,727.68 and 371,913.28
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Solution
The fourth proportional to 932,485.12, 1,398,727.68 and 371,913.28 is: 557,869.92
Step by Step Solution
- Step 1: Write the proportion equation
932,485.12 : 1,398,727.68 = 371,913.28 : x - Step 2: Convert to fraction form
932,485.12/1,398,727.68 = 371,913.28/x - Step 3: Cross multiply
932,485.12x = 1,398,727.68 × 371,913.28 - Step 4: Simplify right side
932,485.12x = 520,205,399,295.59 - Step 5: Solve for x
x = 520,205,399,295.59/932,485.12 - Step 6: Final answer
x = 557,869.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.