Finding the Fourth Proportional to 687,475.37, 948,701.73 and 381,533.96
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Solution
The fourth proportional to 687,475.37, 948,701.73 and 381,533.96 is: 526,508.94
Step by Step Solution
- Step 1: Write the proportion equation
687,475.37 : 948,701.73 = 381,533.96 : x - Step 2: Convert to fraction form
687,475.37/948,701.73 = 381,533.96/x - Step 3: Cross multiply
687,475.37x = 948,701.73 × 381,533.96 - Step 4: Simplify right side
687,475.37x = 361,961,923,162.24 - Step 5: Solve for x
x = 361,961,923,162.24/687,475.37 - Step 6: Final answer
x = 526,508.94
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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.