Finding the Fourth Proportional to 679,586.94, 936,446.94 and 525,690.18
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Solution
The fourth proportional to 679,586.94, 936,446.94 and 525,690.18 is: 724,382.61
Step by Step Solution
- Step 1: Write the proportion equation
679,586.94 : 936,446.94 = 525,690.18 : x - Step 2: Convert to fraction form
679,586.94/936,446.94 = 525,690.18/x - Step 3: Cross multiply
679,586.94x = 936,446.94 × 525,690.18 - Step 4: Simplify right side
679,586.94x = 492,280,960,449.05 - Step 5: Solve for x
x = 492,280,960,449.05/679,586.94 - Step 6: Final answer
x = 724,382.61
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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.