Finding the Fourth Proportional to 941,678.12, 1,299,457.58 and 528,192.14
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Solution
The fourth proportional to 941,678.12, 1,299,457.58 and 528,192.14 is: 728,872.49
Step by Step Solution
- Step 1: Write the proportion equation
941,678.12 : 1,299,457.58 = 528,192.14 : x - Step 2: Convert to fraction form
941,678.12/1,299,457.58 = 528,192.14/x - Step 3: Cross multiply
941,678.12x = 1,299,457.58 × 528,192.14 - Step 4: Simplify right side
941,678.12x = 686,363,280,019.42 - Step 5: Solve for x
x = 686,363,280,019.42/941,678.12 - Step 6: Final answer
x = 728,872.49
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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.