Finding the Fourth Proportional to 926,858.06, 1,279,028.70 and 518,921.74
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Solution
The fourth proportional to 926,858.06, 1,279,028.70 and 518,921.74 is: 716,092.17
Step by Step Solution
- Step 1: Write the proportion equation
926,858.06 : 1,279,028.70 = 518,921.74 : x - Step 2: Convert to fraction form
926,858.06/1,279,028.70 = 518,921.74/x - Step 3: Cross multiply
926,858.06x = 1,279,028.70 × 518,921.74 - Step 4: Simplify right side
926,858.06x = 663,715,798,513.94 - Step 5: Solve for x
x = 663,715,798,513.94/926,858.06 - Step 6: Final answer
x = 716,092.17
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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.