Finding the Fourth Proportional to 893,871.24, 1,233,555.78 and 485,972.12
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Solution
The fourth proportional to 893,871.24, 1,233,555.78 and 485,972.12 is: 670,648.85
Step by Step Solution
- Step 1: Write the proportion equation
893,871.24 : 1,233,555.78 = 485,972.12 : x - Step 2: Convert to fraction form
893,871.24/1,233,555.78 = 485,972.12/x - Step 3: Cross multiply
893,871.24x = 1,233,555.78 × 485,972.12 - Step 4: Simplify right side
893,871.24x = 599,473,717,544.85 - Step 5: Solve for x
x = 599,473,717,544.85/893,871.24 - Step 6: Final answer
x = 670,648.85
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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.