Finding the Fourth Proportional to 877,201.62, 1,210,541.88 and 474,793.62
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Solution
The fourth proportional to 877,201.62, 1,210,541.88 and 474,793.62 is: 655,217.17
Step by Step Solution
- Step 1: Write the proportion equation
877,201.62 : 1,210,541.88 = 474,793.62 : x - Step 2: Convert to fraction form
877,201.62/1,210,541.88 = 474,793.62/x - Step 3: Cross multiply
877,201.62x = 1,210,541.88 × 474,793.62 - Step 4: Simplify right side
877,201.62x = 574,757,561,366.81 - Step 5: Solve for x
x = 574,757,561,366.81/877,201.62 - Step 6: Final answer
x = 655,217.17
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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.