Finding the Fourth Proportional to 750,643.92, 1,035,631.26 and 428,122.08
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Solution
The fourth proportional to 750,643.92, 1,035,631.26 and 428,122.08 is: 590,661.69
Step by Step Solution
- Step 1: Write the proportion equation
750,643.92 : 1,035,631.26 = 428,122.08 : x - Step 2: Convert to fraction form
750,643.92/1,035,631.26 = 428,122.08/x - Step 3: Cross multiply
750,643.92x = 1,035,631.26 × 428,122.08 - Step 4: Simplify right side
750,643.92x = 443,376,609,144.22 - Step 5: Solve for x
x = 443,376,609,144.22/750,643.92 - Step 6: Final answer
x = 590,661.69
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.