Finding the Fourth Proportional to 771,785.13, 1,157,059.50 and 366,774.09
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Solution
The fourth proportional to 771,785.13, 1,157,059.50 and 366,774.09 is: 549,867.35
Step by Step Solution
- Step 1: Write the proportion equation
771,785.13 : 1,157,059.50 = 366,774.09 : x - Step 2: Convert to fraction form
771,785.13/1,157,059.50 = 366,774.09/x - Step 3: Cross multiply
771,785.13x = 1,157,059.50 × 366,774.09 - Step 4: Simplify right side
771,785.13x = 424,379,445,188.36 - Step 5: Solve for x
x = 424,379,445,188.36/771,785.13 - Step 6: Final answer
x = 549,867.35
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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.