Finding the Fourth Proportional to 893,832.84, 1,233,513.63 and 485,962.11
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Solution
The fourth proportional to 893,832.84, 1,233,513.63 and 485,962.11 is: 670,640.93
Step by Step Solution
- Step 1: Write the proportion equation
893,832.84 : 1,233,513.63 = 485,962.11 : x - Step 2: Convert to fraction form
893,832.84/1,233,513.63 = 485,962.11/x - Step 3: Cross multiply
893,832.84x = 1,233,513.63 × 485,962.11 - Step 4: Simplify right side
893,832.84x = 599,440,886,348.56 - Step 5: Solve for x
x = 599,440,886,348.56/893,832.84 - Step 6: Final answer
x = 670,640.93
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.