Finding the Fourth Proportional to 828,495.26, 1,143,312.57 and 465,919.02
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Solution
The fourth proportional to 828,495.26, 1,143,312.57 and 465,919.02 is: 642,962.12
Step by Step Solution
- Step 1: Write the proportion equation
828,495.26 : 1,143,312.57 = 465,919.02 : x - Step 2: Convert to fraction form
828,495.26/1,143,312.57 = 465,919.02/x - Step 3: Cross multiply
828,495.26x = 1,143,312.57 × 465,919.02 - Step 4: Simplify right side
828,495.26x = 532,691,072,168.08 - Step 5: Solve for x
x = 532,691,072,168.08/828,495.26 - Step 6: Final answer
x = 642,962.12
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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.