Finding the Fourth Proportional to 638,350.65, 880,923.67 and 351,875.52
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Solution
The fourth proportional to 638,350.65, 880,923.67 and 351,875.52 is: 485,588.09
Step by Step Solution
- Step 1: Write the proportion equation
638,350.65 : 880,923.67 = 351,875.52 : x - Step 2: Convert to fraction form
638,350.65/880,923.67 = 351,875.52/x - Step 3: Cross multiply
638,350.65x = 880,923.67 × 351,875.52 - Step 4: Simplify right side
638,350.65x = 309,975,474,461.56 - Step 5: Solve for x
x = 309,975,474,461.56/638,350.65 - Step 6: Final answer
x = 485,588.09
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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.