Finding the Fourth Proportional to 703,351.08, 970,625.43 and 381,061.19
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Solution
The fourth proportional to 703,351.08, 970,625.43 and 381,061.19 is: 525,864.95
Step by Step Solution
- Step 1: Write the proportion equation
703,351.08 : 970,625.43 = 381,061.19 : x - Step 2: Convert to fraction form
703,351.08/970,625.43 = 381,061.19/x - Step 3: Cross multiply
703,351.08x = 970,625.43 × 381,061.19 - Step 4: Simplify right side
703,351.08x = 369,867,683,826.63 - Step 5: Solve for x
x = 369,867,683,826.63/703,351.08 - Step 6: Final answer
x = 525,864.95
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1.5x scale
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.