Finding the Fourth Proportional to 752,548.96, 1,038,516.72 and 413,018.08
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Solution
The fourth proportional to 752,548.96, 1,038,516.72 and 413,018.08 is: 569,964.49
Step by Step Solution
- Step 1: Write the proportion equation
752,548.96 : 1,038,516.72 = 413,018.08 : x - Step 2: Convert to fraction form
752,548.96/1,038,516.72 = 413,018.08/x - Step 3: Cross multiply
752,548.96x = 1,038,516.72 × 413,018.08 - Step 4: Simplify right side
752,548.96x = 428,926,181,742.30 - Step 5: Solve for x
x = 428,926,181,742.30/752,548.96 - Step 6: Final answer
x = 569,964.49
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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.