Finding the Fourth Proportional to 623,720.66, 860,538.02 and 381,750.98
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Solution
The fourth proportional to 623,720.66, 860,538.02 and 381,750.98 is: 526,696.09
Step by Step Solution
- Step 1: Write the proportion equation
623,720.66 : 860,538.02 = 381,750.98 : x - Step 2: Convert to fraction form
623,720.66/860,538.02 = 381,750.98/x - Step 3: Cross multiply
623,720.66x = 860,538.02 × 381,750.98 - Step 4: Simplify right side
623,720.66x = 328,511,232,462.26 - Step 5: Solve for x
x = 328,511,232,462.26/623,720.66 - Step 6: Final answer
x = 526,696.09
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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.