Finding the Fourth Proportional to 549,617.63, 758,516.27 and 323,306.87
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Solution
The fourth proportional to 549,617.63, 758,516.27 and 323,306.87 is: 446,189.32
Step by Step Solution
- Step 1: Write the proportion equation
549,617.63 : 758,516.27 = 323,306.87 : x - Step 2: Convert to fraction form
549,617.63/758,516.27 = 323,306.87/x - Step 3: Cross multiply
549,617.63x = 758,516.27 × 323,306.87 - Step 4: Simplify right side
549,617.63x = 245,233,515,688.66 - Step 5: Solve for x
x = 245,233,515,688.66/549,617.63 - Step 6: Final answer
x = 446,189.32
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1.5x scale
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.