Finding the Fourth Proportional to 815,695.68, 1,125,840.09 and 453,244.14
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Solution
The fourth proportional to 815,695.68, 1,125,840.09 and 453,244.14 is: 625,576.96
Step by Step Solution
- Step 1: Write the proportion equation
815,695.68 : 1,125,840.09 = 453,244.14 : x - Step 2: Convert to fraction form
815,695.68/1,125,840.09 = 453,244.14/x - Step 3: Cross multiply
815,695.68x = 1,125,840.09 × 453,244.14 - Step 4: Simplify right side
815,695.68x = 510,280,423,369.57 - Step 5: Solve for x
x = 510,280,423,369.57/815,695.68 - Step 6: Final answer
x = 625,576.96
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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.