Finding the Fourth Proportional to 697,895.08, 1,045,964.58 and 378,034.72
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Solution
The fourth proportional to 697,895.08, 1,045,964.58 and 378,034.72 is: 566,576.46
Step by Step Solution
- Step 1: Write the proportion equation
697,895.08 : 1,045,964.58 = 378,034.72 : x - Step 2: Convert to fraction form
697,895.08/1,045,964.58 = 378,034.72/x - Step 3: Cross multiply
697,895.08x = 1,045,964.58 × 378,034.72 - Step 4: Simplify right side
697,895.08x = 395,410,927,130.22 - Step 5: Solve for x
x = 395,410,927,130.22/697,895.08 - Step 6: Final answer
x = 566,576.46
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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.