Finding the Fourth Proportional to 514,420.23, 771,466.76 and 480,836.55
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Solution
The fourth proportional to 514,420.23, 771,466.76 and 480,836.55 is: 721,101.92
Step by Step Solution
- Step 1: Write the proportion equation
514,420.23 : 771,466.76 = 480,836.55 : x - Step 2: Convert to fraction form
514,420.23/771,466.76 = 480,836.55/x - Step 3: Cross multiply
514,420.23x = 771,466.76 × 480,836.55 - Step 4: Simplify right side
514,420.23x = 370,949,415,318.08 - Step 5: Solve for x
x = 370,949,415,318.08/514,420.23 - Step 6: Final answer
x = 721,101.92
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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.