Finding the Fourth Proportional to 901,188.16, 1,243,916.64 and 519,470.08
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Solution
The fourth proportional to 901,188.16, 1,243,916.64 and 519,470.08 is: 717,028.37
Step by Step Solution
- Step 1: Write the proportion equation
901,188.16 : 1,243,916.64 = 519,470.08 : x - Step 2: Convert to fraction form
901,188.16/1,243,916.64 = 519,470.08/x - Step 3: Cross multiply
901,188.16x = 1,243,916.64 × 519,470.08 - Step 4: Simplify right side
901,188.16x = 646,177,476,494.13 - Step 5: Solve for x
x = 646,177,476,494.13/901,188.16 - Step 6: Final answer
x = 717,028.37
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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.