Finding the Fourth Proportional to 856,247.50, 1,181,621.55 and 474,299.02
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Solution
The fourth proportional to 856,247.50, 1,181,621.55 and 474,299.02 is: 654,532.65
Step by Step Solution
- Step 1: Write the proportion equation
856,247.50 : 1,181,621.55 = 474,299.02 : x - Step 2: Convert to fraction form
856,247.50/1,181,621.55 = 474,299.02/x - Step 3: Cross multiply
856,247.50x = 1,181,621.55 × 474,299.02 - Step 4: Simplify right side
856,247.50x = 560,441,943,175.88 - Step 5: Solve for x
x = 560,441,943,175.88/856,247.50 - Step 6: Final answer
x = 654,532.65
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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.