Finding the Fourth Proportional to 628,680.61, 938,456.65 and 581,844.79
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Solution
The fourth proportional to 628,680.61, 938,456.65 and 581,844.79 is: 868,542.95
Step by Step Solution
- Step 1: Write the proportion equation
628,680.61 : 938,456.65 = 581,844.79 : x - Step 2: Convert to fraction form
628,680.61/938,456.65 = 581,844.79/x - Step 3: Cross multiply
628,680.61x = 938,456.65 × 581,844.79 - Step 4: Simplify right side
628,680.61x = 546,036,104,841.85 - Step 5: Solve for x
x = 546,036,104,841.85/628,680.61 - Step 6: Final answer
x = 868,542.95
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.