Finding the Fourth Proportional to 893,491.63, 1,233,027.98 and 485,593.49
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Solution
The fourth proportional to 893,491.63, 1,233,027.98 and 485,593.49 is: 670,124.20
Step by Step Solution
- Step 1: Write the proportion equation
893,491.63 : 1,233,027.98 = 485,593.49 : x - Step 2: Convert to fraction form
893,491.63/1,233,027.98 = 485,593.49/x - Step 3: Cross multiply
893,491.63x = 1,233,027.98 × 485,593.49 - Step 4: Simplify right side
893,491.63x = 598,750,360,730.45 - Step 5: Solve for x
x = 598,750,360,730.45/893,491.63 - Step 6: Final answer
x = 670,124.20
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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.