Finding the Fourth Proportional to 892,935.08, 1,232,272.62 and 485,036.79
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Solution
The fourth proportional to 892,935.08, 1,232,272.62 and 485,036.79 is: 669,362.84
Step by Step Solution
- Step 1: Write the proportion equation
892,935.08 : 1,232,272.62 = 485,036.79 : x - Step 2: Convert to fraction form
892,935.08/1,232,272.62 = 485,036.79/x - Step 3: Cross multiply
892,935.08x = 1,232,272.62 × 485,036.79 - Step 4: Simplify right side
892,935.08x = 597,697,556,009.69 - Step 5: Solve for x
x = 597,697,556,009.69/892,935.08 - Step 6: Final answer
x = 669,362.84
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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.