Finding the Fourth Proportional to 963,072.84, 1,328,599.56 and 623,650.44
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Solution
The fourth proportional to 963,072.84, 1,328,599.56 and 623,650.44 is: 860,352.06
Step by Step Solution
- Step 1: Write the proportion equation
963,072.84 : 1,328,599.56 = 623,650.44 : x - Step 2: Convert to fraction form
963,072.84/1,328,599.56 = 623,650.44/x - Step 3: Cross multiply
963,072.84x = 1,328,599.56 × 623,650.44 - Step 4: Simplify right side
963,072.84x = 828,581,700,177.81 - Step 5: Solve for x
x = 828,581,700,177.81/963,072.84 - Step 6: Final answer
x = 860,352.06
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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.