Finding the Fourth Proportional to 808,851.88, 1,116,212.36 and 446,298.28
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Solution
The fourth proportional to 808,851.88, 1,116,212.36 and 446,298.28 is: 615,889.84
Step by Step Solution
- Step 1: Write the proportion equation
808,851.88 : 1,116,212.36 = 446,298.28 : x - Step 2: Convert to fraction form
808,851.88/1,116,212.36 = 446,298.28/x - Step 3: Cross multiply
808,851.88x = 1,116,212.36 × 446,298.28 - Step 4: Simplify right side
808,851.88x = 498,163,656,382.74 - Step 5: Solve for x
x = 498,163,656,382.74/808,851.88 - Step 6: Final answer
x = 615,889.84
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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.