Finding the Fourth Proportional to 877,241.01, 1,315,908.50 and 278,247.63
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Solution
The fourth proportional to 877,241.01, 1,315,908.50 and 278,247.63 is: 417,386.35
Step by Step Solution
- Step 1: Write the proportion equation
877,241.01 : 1,315,908.50 = 278,247.63 : x - Step 2: Convert to fraction form
877,241.01/1,315,908.50 = 278,247.63/x - Step 3: Cross multiply
877,241.01x = 1,315,908.50 × 278,247.63 - Step 4: Simplify right side
877,241.01x = 366,148,420,030.62 - Step 5: Solve for x
x = 366,148,420,030.62/877,241.01 - Step 6: Final answer
x = 417,386.35
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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.