Finding the Fourth Proportional to 775,923.93, 1,071,266.99 and 531,318.02
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Solution
The fourth proportional to 775,923.93, 1,071,266.99 and 531,318.02 is: 733,555.74
Step by Step Solution
- Step 1: Write the proportion equation
775,923.93 : 1,071,266.99 = 531,318.02 : x - Step 2: Convert to fraction form
775,923.93/1,071,266.99 = 531,318.02/x - Step 3: Cross multiply
775,923.93x = 1,071,266.99 × 531,318.02 - Step 4: Simplify right side
775,923.93x = 569,183,456,018.16 - Step 5: Solve for x
x = 569,183,456,018.16/775,923.93 - Step 6: Final answer
x = 733,555.74
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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.