Finding the Fourth Proportional to 703,424.97, 970,681.37 and 393,353.09
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Solution
The fourth proportional to 703,424.97, 970,681.37 and 393,353.09 is: 542,802.05
Step by Step Solution
- Step 1: Write the proportion equation
703,424.97 : 970,681.37 = 393,353.09 : x - Step 2: Convert to fraction form
703,424.97/970,681.37 = 393,353.09/x - Step 3: Cross multiply
703,424.97x = 970,681.37 × 393,353.09 - Step 4: Simplify right side
703,424.97x = 381,820,516,294.93 - Step 5: Solve for x
x = 381,820,516,294.93/703,424.97 - Step 6: Final answer
x = 542,802.05
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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.