Finding the Fourth Proportional to 793,220.84, 1,189,422.98 and 319,779.08
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Solution
The fourth proportional to 793,220.84, 1,189,422.98 and 319,779.08 is: 479,504.03
Step by Step Solution
- Step 1: Write the proportion equation
793,220.84 : 1,189,422.98 = 319,779.08 : x - Step 2: Convert to fraction form
793,220.84/1,189,422.98 = 319,779.08/x - Step 3: Cross multiply
793,220.84x = 1,189,422.98 × 319,779.08 - Step 4: Simplify right side
793,220.84x = 380,352,586,275.26 - Step 5: Solve for x
x = 380,352,586,275.26/793,220.84 - Step 6: Final answer
x = 479,504.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.