Finding the Fourth Proportional to 748,379.88, 1,032,811.80 and 426,118.12
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Solution
The fourth proportional to 748,379.88, 1,032,811.80 and 426,118.12 is: 588,070.09
Step by Step Solution
- Step 1: Write the proportion equation
748,379.88 : 1,032,811.80 = 426,118.12 : x - Step 2: Convert to fraction form
748,379.88/1,032,811.80 = 426,118.12/x - Step 3: Cross multiply
748,379.88x = 1,032,811.80 × 426,118.12 - Step 4: Simplify right side
748,379.88x = 440,099,822,529.82 - Step 5: Solve for x
x = 440,099,822,529.82/748,379.88 - Step 6: Final answer
x = 588,070.09
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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.