Finding the Fourth Proportional to 574,867.12, 793,317.38 and 313,221.19
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Solution
The fourth proportional to 574,867.12, 793,317.38 and 313,221.19 is: 432,245.65
Step by Step Solution
- Step 1: Write the proportion equation
574,867.12 : 793,317.38 = 313,221.19 : x - Step 2: Convert to fraction form
574,867.12/793,317.38 = 313,221.19/x - Step 3: Cross multiply
574,867.12x = 793,317.38 × 313,221.19 - Step 4: Simplify right side
574,867.12x = 248,483,813,811.28 - Step 5: Solve for x
x = 248,483,813,811.28/574,867.12 - Step 6: Final answer
x = 432,245.65
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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.