Finding the Fourth Proportional to 771,789.14, 1,157,065.50 and 366,778.08
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Solution
The fourth proportional to 771,789.14, 1,157,065.50 and 366,778.08 is: 549,873.33
Step by Step Solution
- Step 1: Write the proportion equation
771,789.14 : 1,157,065.50 = 366,778.08 : x - Step 2: Convert to fraction form
771,789.14/1,157,065.50 = 366,778.08/x - Step 3: Cross multiply
771,789.14x = 1,157,065.50 × 366,778.08 - Step 4: Simplify right side
771,789.14x = 424,386,262,524.24 - Step 5: Solve for x
x = 424,386,262,524.24/771,789.14 - Step 6: Final answer
x = 549,873.33
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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.