Finding the Fourth Proportional to 518,997.06, 716,216.04 and 292,642.56
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Solution
The fourth proportional to 518,997.06, 716,216.04 and 292,642.56 is: 403,846.79
Step by Step Solution
- Step 1: Write the proportion equation
518,997.06 : 716,216.04 = 292,642.56 : x - Step 2: Convert to fraction form
518,997.06/716,216.04 = 292,642.56/x - Step 3: Cross multiply
518,997.06x = 716,216.04 × 292,642.56 - Step 4: Simplify right side
518,997.06x = 209,595,295,458.66 - Step 5: Solve for x
x = 209,595,295,458.66/518,997.06 - Step 6: Final answer
x = 403,846.79
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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.