Finding the Fourth Proportional to 879,974.80, 1,214,382.48 and 574,246.80
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Solution
The fourth proportional to 879,974.80, 1,214,382.48 and 574,246.80 is: 792,471.84
Step by Step Solution
- Step 1: Write the proportion equation
879,974.80 : 1,214,382.48 = 574,246.80 : x - Step 2: Convert to fraction form
879,974.80/1,214,382.48 = 574,246.80/x - Step 3: Cross multiply
879,974.80x = 1,214,382.48 × 574,246.80 - Step 4: Simplify right side
879,974.80x = 697,355,253,116.06 - Step 5: Solve for x
x = 697,355,253,116.06/879,974.80 - Step 6: Final answer
x = 792,471.84
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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.