Finding the Fourth Proportional to 827,974.08, 1,142,436.58 and 483,743.48
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Solution
The fourth proportional to 827,974.08, 1,142,436.58 and 483,743.48 is: 667,468.04
Step by Step Solution
- Step 1: Write the proportion equation
827,974.08 : 1,142,436.58 = 483,743.48 : x - Step 2: Convert to fraction form
827,974.08/1,142,436.58 = 483,743.48/x - Step 3: Cross multiply
827,974.08x = 1,142,436.58 × 483,743.48 - Step 4: Simplify right side
827,974.08x = 552,646,239,966.96 - Step 5: Solve for x
x = 552,646,239,966.96/827,974.08 - Step 6: Final answer
x = 667,468.04
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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.