Finding the Fourth Proportional to 884,430.18, 1,220,135.40 and 577,974.69
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Solution
The fourth proportional to 884,430.18, 1,220,135.40 and 577,974.69 is: 797,357.89
Step by Step Solution
- Step 1: Write the proportion equation
884,430.18 : 1,220,135.40 = 577,974.69 : x - Step 2: Convert to fraction form
884,430.18/1,220,135.40 = 577,974.69/x - Step 3: Cross multiply
884,430.18x = 1,220,135.40 × 577,974.69 - Step 4: Simplify right side
884,430.18x = 705,207,379,573.03 - Step 5: Solve for x
x = 705,207,379,573.03/884,430.18 - Step 6: Final answer
x = 797,357.89
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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.