Finding the Fourth Proportional to 787,445.76, 1,181,266.08 and 282,060.96
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Solution
The fourth proportional to 787,445.76, 1,181,266.08 and 282,060.96 is: 423,126.34
Step by Step Solution
- Step 1: Write the proportion equation
787,445.76 : 1,181,266.08 = 282,060.96 : x - Step 2: Convert to fraction form
787,445.76/1,181,266.08 = 282,060.96/x - Step 3: Cross multiply
787,445.76x = 1,181,266.08 × 282,060.96 - Step 4: Simplify right side
787,445.76x = 333,189,044,540.24 - Step 5: Solve for x
x = 333,189,044,540.24/787,445.76 - Step 6: Final answer
x = 423,126.34
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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.