Finding the Fourth Proportional to 578,734.96, 867,052.68 and 427,307.08
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Solution
The fourth proportional to 578,734.96, 867,052.68 and 427,307.08 is: 640,185.53
Step by Step Solution
- Step 1: Write the proportion equation
578,734.96 : 867,052.68 = 427,307.08 : x - Step 2: Convert to fraction form
578,734.96/867,052.68 = 427,307.08/x - Step 3: Cross multiply
578,734.96x = 867,052.68 × 427,307.08 - Step 4: Simplify right side
578,734.96x = 370,497,748,896.97 - Step 5: Solve for x
x = 370,497,748,896.97/578,734.96 - Step 6: Final answer
x = 640,185.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.