Finding the Fourth Proportional to 756,242.92, 1,044,454.98 and 514,105.12
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Solution
The fourth proportional to 756,242.92, 1,044,454.98 and 514,105.12 is: 710,035.94
Step by Step Solution
- Step 1: Write the proportion equation
756,242.92 : 1,044,454.98 = 514,105.12 : x - Step 2: Convert to fraction form
756,242.92/1,044,454.98 = 514,105.12/x - Step 3: Cross multiply
756,242.92x = 1,044,454.98 × 514,105.12 - Step 4: Simplify right side
756,242.92x = 536,959,652,827.50 - Step 5: Solve for x
x = 536,959,652,827.50/756,242.92 - Step 6: Final answer
x = 710,035.94
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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.