Finding the Fourth Proportional to 665,383.08, 917,968.26 and 410,291.40
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Solution
The fourth proportional to 665,383.08, 917,968.26 and 410,291.40 is: 566,041.57
Step by Step Solution
- Step 1: Write the proportion equation
665,383.08 : 917,968.26 = 410,291.40 : x - Step 2: Convert to fraction form
665,383.08/917,968.26 = 410,291.40/x - Step 3: Cross multiply
665,383.08x = 917,968.26 × 410,291.40 - Step 4: Simplify right side
665,383.08x = 376,634,482,550.96 - Step 5: Solve for x
x = 376,634,482,550.96/665,383.08 - Step 6: Final answer
x = 566,041.57
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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.