Finding the Fourth Proportional to 832,490.68, 1,245,176.61 and 694,876.41
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Solution
The fourth proportional to 832,490.68, 1,245,176.61 and 694,876.41 is: 1,039,343.59
Step by Step Solution
- Step 1: Write the proportion equation
832,490.68 : 1,245,176.61 = 694,876.41 : x - Step 2: Convert to fraction form
832,490.68/1,245,176.61 = 694,876.41/x - Step 3: Cross multiply
832,490.68x = 1,245,176.61 × 694,876.41 - Step 4: Simplify right side
832,490.68x = 865,243,852,572.77 - Step 5: Solve for x
x = 865,243,852,572.77/832,490.68 - Step 6: Final answer
x = 1,039,343.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.