Finding the Fourth Proportional to 837,765.74, 1,156,130.61 and 455,794.58
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Solution
The fourth proportional to 837,765.74, 1,156,130.61 and 455,794.58 is: 629,004.08
Step by Step Solution
- Step 1: Write the proportion equation
837,765.74 : 1,156,130.61 = 455,794.58 : x - Step 2: Convert to fraction form
837,765.74/1,156,130.61 = 455,794.58/x - Step 3: Cross multiply
837,765.74x = 1,156,130.61 × 455,794.58 - Step 4: Simplify right side
837,765.74x = 526,958,065,810.09 - Step 5: Solve for x
x = 526,958,065,810.09/837,765.74 - Step 6: Final answer
x = 629,004.08
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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.