Finding the Fourth Proportional to 665,425.24, 918,305.28 and 407,297.08
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Solution
The fourth proportional to 665,425.24, 918,305.28 and 407,297.08 is: 562,081.26
Step by Step Solution
- Step 1: Write the proportion equation
665,425.24 : 918,305.28 = 407,297.08 : x - Step 2: Convert to fraction form
665,425.24/918,305.28 = 407,297.08/x - Step 3: Cross multiply
665,425.24x = 918,305.28 × 407,297.08 - Step 4: Simplify right side
665,425.24x = 374,023,059,092.58 - Step 5: Solve for x
x = 374,023,059,092.58/665,425.24 - Step 6: Final answer
x = 562,081.26
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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.