Finding the Fourth Proportional to 703,407.84, 970,643.70 and 397,510.80
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Solution
The fourth proportional to 703,407.84, 970,643.70 and 397,510.80 is: 548,531.49
Step by Step Solution
- Step 1: Write the proportion equation
703,407.84 : 970,643.70 = 397,510.80 : x - Step 2: Convert to fraction form
703,407.84/970,643.70 = 397,510.80/x - Step 3: Cross multiply
703,407.84x = 970,643.70 × 397,510.80 - Step 4: Simplify right side
703,407.84x = 385,841,353,701.96 - Step 5: Solve for x
x = 385,841,353,701.96/703,407.84 - Step 6: Final answer
x = 548,531.49
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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.