Finding the Fourth Proportional to 776,230.10, 1,071,197.39 and 432,058.62
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Solution
The fourth proportional to 776,230.10, 1,071,197.39 and 432,058.62 is: 596,240.81
Step by Step Solution
- Step 1: Write the proportion equation
776,230.10 : 1,071,197.39 = 432,058.62 : x - Step 2: Convert to fraction form
776,230.10/1,071,197.39 = 432,058.62/x - Step 3: Cross multiply
776,230.10x = 1,071,197.39 × 432,058.62 - Step 4: Simplify right side
776,230.10x = 462,820,063,910.71 - Step 5: Solve for x
x = 462,820,063,910.71/776,230.10 - Step 6: Final answer
x = 596,240.81
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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.