Finding the Fourth Proportional to 751,867.92, 1,128,242.52 and 302,518.80
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Solution
The fourth proportional to 751,867.92, 1,128,242.52 and 302,518.80 is: 453,955.49
Step by Step Solution
- Step 1: Write the proportion equation
751,867.92 : 1,128,242.52 = 302,518.80 : x - Step 2: Convert to fraction form
751,867.92/1,128,242.52 = 302,518.80/x - Step 3: Cross multiply
751,867.92x = 1,128,242.52 × 302,518.80 - Step 4: Simplify right side
751,867.92x = 341,314,573,259.38 - Step 5: Solve for x
x = 341,314,573,259.38/751,867.92 - Step 6: Final answer
x = 453,955.49
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1.5x scale
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.