Finding the Fourth Proportional to 634,252.25, 875,727.38 and 408,291.41
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Solution
The fourth proportional to 634,252.25, 875,727.38 and 408,291.41 is: 563,737.80
Step by Step Solution
- Step 1: Write the proportion equation
634,252.25 : 875,727.38 = 408,291.41 : x - Step 2: Convert to fraction form
634,252.25/875,727.38 = 408,291.41/x - Step 3: Cross multiply
634,252.25x = 875,727.38 × 408,291.41 - Step 4: Simplify right side
634,252.25x = 357,551,966,755.81 - Step 5: Solve for x
x = 357,551,966,755.81/634,252.25 - Step 6: Final answer
x = 563,737.80
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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.