Finding the Fourth Proportional to 867,563.10, 1,197,281.79 and 480,376.62
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Solution
The fourth proportional to 867,563.10, 1,197,281.79 and 480,376.62 is: 662,944.49
Step by Step Solution
- Step 1: Write the proportion equation
867,563.10 : 1,197,281.79 = 480,376.62 : x - Step 2: Convert to fraction form
867,563.10/1,197,281.79 = 480,376.62/x - Step 3: Cross multiply
867,563.10x = 1,197,281.79 × 480,376.62 - Step 4: Simplify right side
867,563.10x = 575,146,179,467.75 - Step 5: Solve for x
x = 575,146,179,467.75/867,563.10 - Step 6: Final answer
x = 662,944.49
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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.