Finding the Fourth Proportional to 623,511.44, 860,241.84 and 381,541.76
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Solution
The fourth proportional to 623,511.44, 860,241.84 and 381,541.76 is: 526,402.83
Step by Step Solution
- Step 1: Write the proportion equation
623,511.44 : 860,241.84 = 381,541.76 : x - Step 2: Convert to fraction form
623,511.44/860,241.84 = 381,541.76/x - Step 3: Cross multiply
623,511.44x = 860,241.84 × 381,541.76 - Step 4: Simplify right side
623,511.44x = 328,218,185,659.24 - Step 5: Solve for x
x = 328,218,185,659.24/623,511.44 - Step 6: Final answer
x = 526,402.83
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1.5x scale
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.