Finding the Fourth Proportional to 763,363.44, 1,052,772.12 and 655,236.72
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Solution
The fourth proportional to 763,363.44, 1,052,772.12 and 655,236.72 is: 903,652.07
Step by Step Solution
- Step 1: Write the proportion equation
763,363.44 : 1,052,772.12 = 655,236.72 : x - Step 2: Convert to fraction form
763,363.44/1,052,772.12 = 655,236.72/x - Step 3: Cross multiply
763,363.44x = 1,052,772.12 × 655,236.72 - Step 4: Simplify right side
763,363.44x = 689,814,950,816.25 - Step 5: Solve for x
x = 689,814,950,816.25/763,363.44 - Step 6: Final answer
x = 903,652.07
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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.