Finding the Fourth Proportional to 748,415.74, 1,032,814.74 and 426,125.98
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Solution
The fourth proportional to 748,415.74, 1,032,814.74 and 426,125.98 is: 588,054.43
Step by Step Solution
- Step 1: Write the proportion equation
748,415.74 : 1,032,814.74 = 426,125.98 : x - Step 2: Convert to fraction form
748,415.74/1,032,814.74 = 426,125.98/x - Step 3: Cross multiply
748,415.74x = 1,032,814.74 × 426,125.98 - Step 4: Simplify right side
748,415.74x = 440,109,193,240.95 - Step 5: Solve for x
x = 440,109,193,240.95/748,415.74 - Step 6: Final answer
x = 588,054.43
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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.