Finding the Fourth Proportional to 877,049.05, 1,210,327.70 and 474,641.05
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Solution
The fourth proportional to 877,049.05, 1,210,327.70 and 474,641.05 is: 655,004.65
Step by Step Solution
- Step 1: Write the proportion equation
877,049.05 : 1,210,327.70 = 474,641.05 : x - Step 2: Convert to fraction form
877,049.05/1,210,327.70 = 474,641.05/x - Step 3: Cross multiply
877,049.05x = 1,210,327.70 × 474,641.05 - Step 4: Simplify right side
877,049.05x = 574,471,207,998.88 - Step 5: Solve for x
x = 574,471,207,998.88/877,049.05 - Step 6: Final answer
x = 655,004.65
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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.