Finding the Fourth Proportional to 520,160.64, 717,618.94 and 326,455.31
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Solution
The fourth proportional to 520,160.64, 717,618.94 and 326,455.31 is: 450,381.09
Step by Step Solution
- Step 1: Write the proportion equation
520,160.64 : 717,618.94 = 326,455.31 : x - Step 2: Convert to fraction form
520,160.64/717,618.94 = 326,455.31/x - Step 3: Cross multiply
520,160.64x = 717,618.94 × 326,455.31 - Step 4: Simplify right side
520,160.64x = 234,270,516,333.79 - Step 5: Solve for x
x = 234,270,516,333.79/520,160.64 - Step 6: Final answer
x = 450,381.09
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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.