Finding the Fourth Proportional to 697,889.08, 1,045,955.58 and 378,028.72
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Solution
The fourth proportional to 697,889.08, 1,045,955.58 and 378,028.72 is: 566,567.47
Step by Step Solution
- Step 1: Write the proportion equation
697,889.08 : 1,045,955.58 = 378,028.72 : x - Step 2: Convert to fraction form
697,889.08/1,045,955.58 = 378,028.72/x - Step 3: Cross multiply
697,889.08x = 1,045,955.58 × 378,028.72 - Step 4: Simplify right side
697,889.08x = 395,401,249,084.26 - Step 5: Solve for x
x = 395,401,249,084.26/697,889.08 - Step 6: Final answer
x = 566,567.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.