Finding the Fourth Proportional to 899,163.02, 1,240,830.45 and 491,256.09
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Solution
The fourth proportional to 899,163.02, 1,240,830.45 and 491,256.09 is: 677,925.47
Step by Step Solution
- Step 1: Write the proportion equation
899,163.02 : 1,240,830.45 = 491,256.09 : x - Step 2: Convert to fraction form
899,163.02/1,240,830.45 = 491,256.09/x - Step 3: Cross multiply
899,163.02x = 1,240,830.45 × 491,256.09 - Step 4: Simplify right side
899,163.02x = 609,565,509,015.79 - Step 5: Solve for x
x = 609,565,509,015.79/899,163.02 - Step 6: Final answer
x = 677,925.47
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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.