Finding the Fourth Proportional to 856,331.80, 1,284,564.12 and 257,246.08
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Solution
The fourth proportional to 856,331.80, 1,284,564.12 and 257,246.08 is: 385,889.07
Step by Step Solution
- Step 1: Write the proportion equation
856,331.80 : 1,284,564.12 = 257,246.08 : x - Step 2: Convert to fraction form
856,331.80/1,284,564.12 = 257,246.08/x - Step 3: Cross multiply
856,331.80x = 1,284,564.12 × 257,246.08 - Step 4: Simplify right side
856,331.80x = 330,449,084,378.65 - Step 5: Solve for x
x = 330,449,084,378.65/856,331.80 - Step 6: Final answer
x = 385,889.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.