Finding the Fourth Proportional to 637,681.74, 880,040.60 and 351,201.75
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Solution
The fourth proportional to 637,681.74, 880,040.60 and 351,201.75 is: 484,680.33
Step by Step Solution
- Step 1: Write the proportion equation
637,681.74 : 880,040.60 = 351,201.75 : x - Step 2: Convert to fraction form
637,681.74/880,040.60 = 351,201.75/x - Step 3: Cross multiply
637,681.74x = 880,040.60 × 351,201.75 - Step 4: Simplify right side
637,681.74x = 309,071,798,791.05 - Step 5: Solve for x
x = 309,071,798,791.05/637,681.74 - Step 6: Final answer
x = 484,680.33
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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.